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GAT Subject Test (Physics)
National Testing Service Pakistan
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Past Paper
Anna
IQ APTITUDE & ABILITY
-
Verbal Reasoning
Many find it strange that her writing is thought to be tortuous; her recent essays, although longer than most of her earlier essays, are extremely_______.
A. Insightful.
B. Tedious.
C. Painstacking.
D. Sophisticated.
Anna
IQ APTITUDE & ABILITY
-
Verbal Reasoning
The author presents the life of Zane Grey with _____ unusual in a biographer: he is not even convinced that Grey was a good writer.
A. Deftness.
B. A Zeal.
C. A Detachment.
D. An eloquence.
Shalisha Ladawn
PHYSICS
-
Classical Mechanics
Electric displacement current through a surface S is by definition proportional to the
A. rate of change of the electric flux through S.
B. magnetic flux through S.
C. rate of change of the magnetic flux through S.
D. time integral of the magnetic flux through S.
Shalisha Ladawn
PHYSICS
-
Classical Mechanics
Classical mechanics explains how _______ moves.
A. Macroscopic object.
B. Microscopic object.
C. All of above.
D. None of these.
Bashir Farooqi
IQ APTITUDE & ABILITY
-
Verbal Reasoning
During their operational lifetimes, the majority of spacecraft currently face minimal risk of collision with space junk, but given the number of new satellites launched each year, the orbital environment is likely to be less ________ in the future.
A. Defective.
B. Invoked.
C. Protected.
D. None of these.
Bashir Farooqi
IQ APTITUDE & ABILITY
-
Verbal Reasoning
Florence Nightingale was ___ in the development of modern medicine, ___ such practices as sanitization of hospital wards and isolation of actively infected patients.
A. an innovator…initiating.
B. rejecting…a collaborator.
C. a maverick…protesting.
D. An individualist…standardizing .
Muhammad Tayyab Ikhlas
IQ APTITUDE & ABILITY
-
Verbal Reasoning
Linda Greenhouse's articles for the New York Times are an outstanding example of ___, capsulizing prose into a necessarily limited space.
A. Callousness.
B. Brevity.
C. Intuition.
D. None of these.
Muhammad Tayyab Ikhlas
IQ APTITUDE & ABILITY
-
Verbal Reasoning
Roberto Clement was seen as ___ during his life because of both his selflessness on the baseball field and his humanitarian work in his native Nicaragua
A. a grandstander.
B. An individualist.
C. . a sybarite .
D. an opportunist.
Muhammad Tayyab Ikhlas
IQ APTITUDE & ABILITY
-
Verbal Reasoning
His habit of spending more than he earned left him in a state of perpetual------ but he------------hoping to see a more affluent day
A. motion: responded.
B. enervation: retaliated by.
C. confusion: compromised by.
D. indigence: persevered in.
Muhammad Tayyab Ikhlas
IQ APTITUDE & ABILITY
-
Verbal Reasoning
Known for his commitment to numerous worthy causes, the philanthropist deserved------ for his-----------
A. Credit: altruism.
B. Reward: modesty .
C. blame: hypocrisy.
D. recognition: folly.
Muhammad Tayyab Ikhlas
IQ APTITUDE & ABILITY
-
Verbal Reasoning
You should --------this paragraph in order to make your essay more-----
A. Remove, discursive.
B. Enlarge, redundant .
C. Delete, succinct.
D. Revise, abstruse.
Muhammad Tayyab Ikhlas
IQ APTITUDE & ABILITY
-
Verbal Reasoning
A------glance pays-----attention to details
A. Furtive: meticulous.
B. Cursory: little.
C. Cryptic: close.
D. Keen: scanty.
Muhammad Tayyab Ikhlas
IQ APTITUDE & ABILITY
-
Verbal Reasoning
Surprisingly enough, it is more difficult to write about the--------than about the---and strange.
A. simple, routine.
B. commonplace, exotic.
C. abstract, prosaic.
D. specific, foreign.
Muhammad Tayyab Ikhlas
IQ APTITUDE & ABILITY
-
Verbal Reasoning
A-----response is one that is made with----------.
A. harmful, grimaces.
B. sure, slowness.
C. speedy, alacrity.
D. stupid, fear.
Muhammad Tayyab Ikhlas
IQ APTITUDE & ABILITY
-
Verbal Reasoning
3. A----is a-------.
A. doctrine, follower.
B. discipline, school.
C. criterion, mistake.
D. norm, standard.
Muhammad Tayyab Ikhlas
IQ APTITUDE & ABILITY
-
Verbal Reasoning
It is widely believed that a nuclear war could ____ enough smoke and dust to block out the sun and freeze the earth.
A. Generate.
B. Extinguish.
C. Billow.
D. None of these.
Muhammad Tayyab Ikhlas
IQ APTITUDE & ABILITY
-
Verbal Reasoning
Consumption of red meat has ____ because its fat content has become a worrisome and ____ matter.
A. Skyrocketed ... stressful.
B. Abated ... dubious .
C. Declined ... controversial.
D. None these.
Muhammad Tayyab Ikhlas
IQ APTITUDE & ABILITY
-
Verbal Reasoning
It takes ____ character to ____ the extremities of the arctic region.
A. A nomadic ... espouse.
B. An unflappable ... sustain.
C. An inimitable ... resist.
D. None of these.
Muhammad Tayyab Ikhlas
IQ APTITUDE & ABILITY
-
Verbal Reasoning
Consumers refused to buy meat products from the company because of rumors that the water supply at the meat processing plant was ______; the rumors, however, were quite ______, with no hard evidence to back them up.
A. Contaminated .. unsubstantiated.
B. Impure .. damaging.
C. Misdirected .. scandalous.
D. Unscrupulous .. vicious.
Muhammad Tayyab Ikhlas
IQ APTITUDE & ABILITY
-
Verbal Reasoning
Many kinds of harmful viruses are unhindered when passing through different parts of the host organism; indeed, there are few organic substances which such viruses’ cannot______.
A. exterminate.
B. perforate.
C. aerate.
D. None of these.
Muhammad Tayyab Ikhlas
IQ APTITUDE & ABILITY
-
Verbal Reasoning
Their conversation was unsettling, for the gravity of their topic contrasted so oddly with the ______ of their tone
A. rapidity.
B. lightness.
C. precision.
D. None of these.
Muhammad Tayyab Ikhlas
IQ APTITUDE & ABILITY
-
Verbal Reasoning
Throughout the animal kingdom, ____ bigger than the elephant.
A. only the whale is.
B. is the whale only.
C. whale is only the.
D. whale is only.
Fani Warraich
PHYSICS
-
Electromagnetism
The Net Magnetic flux from any closed surface is
A. Infinity.
B. Zero.
C. Negative.
D. Positive.
Fani Warraich
IQ APTITUDE & ABILITY
-
Verbal Reasoning
Although its publicity has been ___, the film itself is intelligent, well-acted, handsomely produced and altogether ___
A. perfect … spectacular.
B. sophisticated … moderate.
C. extensive … moderate.
D. tasteless … respectable.
Fani Warraich
IQ APTITUDE & ABILITY
-
Verbal Reasoning
The Inuit natives of Alaska's North Slope worry that ___ oil exploration might ___their sensitive natural environment.
A. unregulated…damage.
B. curtailed…shatter.
C. current…bolster.
D. additional…assist.
Fani Warraich
IQ APTITUDE & ABILITY
-
Verbal Reasoning
Ants live in colonies based on ___; each member contributes to the good of all by actively working with others in performing necessary tasks.
A. Heredity.
B. Cooperation.
C. Reasoning.
D. Instinct.
Sidis
IQ APTITUDE & ABILITY
-
Verbal Reasoning
In the given sentence, identify the gerund phrase: "Running marathons in extreme weather conditions requires immense determination and endurance."
A. Running marathons.
B. Marathons in extreme weather conditions.
C. Requires immense determination.
D. And endurance.
Sidis
IQ APTITUDE & ABILITY
-
Verbal Reasoning
Identify the logical fallacy in the following argument: "I've never seen a black swan; therefore, black swans do not exist."
A. Circular Reasoning.
B. Hasty Generalization.
C. False Cause.
D. Appeal to Ignorance.
Sidis
IQ APTITUDE & ABILITY
-
Verbal Reasoning
Choose the word that best completes the analogy: Adorn: Decorate :: _______ : Amass
A. Squander.
B. Preserve.
C. Hoard.
D. None of the above.
Sidis
IQ APTITUDE & ABILITY
-
Verbal Reasoning
Identify the figure of speech used in the following sentence :"The stars danced playfully in the sky."
A. Simile.
B. Hyperbole.
C. Personification.
D. Metaphor.
Sidis
IQ APTITUDE & ABILITY
-
Analytical Reasoning
An office building has five floors, numbered one through five. Each floor has a different color carpet: red, blue, green, yellow, and white. The following conditions must be met: i. The red carpet cannot be on the top floor. ii. The blue carpet must be above the green carpet but below the yellow carpet. iii. The white carpet must be on a higher floor than the green carpet but cannot be on the top floor. In which of the following arrangements is the sequence of floors correctly matched with the colors of their respective carpets?
A. Floor 1: Red, Floor 2: Blue, Floor 3: Green, Floor 4: Yellow, Floor 5: White.
B. Floor 1: Green, Floor 2: Blue, Floor 3: Red, Floor 4: White, Floor 5: Yellow.
C. Floor 1: Yellow, Floor 2: Blue, Floor 3: Green, Floor 4: White, Floor 5: Red.
D. Floor 1: Blue, Floor 2: Green, Floor 3: Red, Floor 4: Yellow, Floor 5: White.
Sidis
IQ APTITUDE & ABILITY
-
Analytical Reasoning
In a certain company, there are seven executives: Adam, Ben, Chris, David, Emily, Fiona, and Grace. They are seated in a row of chairs. The following conditions must be met: i. Adam cannot sit next to Chris or Emily. ii. Ben must sit next to David. iii. Fiona cannot sit at either end of the row. Which of the following is a valid arrangement of the executives?
A. Adam, Ben, Chris, David, Emily, Fiona, Grace.
B. Fiona, Emily, Ben, David, Adam, Chris, Grace.
C. Grace, Fiona, Emily, Ben, David, Adam, Chris.
D. Chris, David, Ben, Emily, Adam, Grace, Fiona.
Sidis
IQ APTITUDE & ABILITY
-
Analytical Reasoning
Five friends – Alex, Brian, Chris, David, and Eric – are participating in a singing competition. They will perform one after the other. The following conditions must be met: i. Alex cannot perform before David or Eric. ii. Brian must perform before Chris. iii. David cannot be the first or last to perform. In which of the following sequences can the friends perform according to the given conditions?
A. Eric, Alex, David, Brian, Chris.
B. Chris, David, Brian, Alex, Eric.
C. Brian, Eric, Chris, David, Alex.
D. David, Eric, Alex, Chris, Brian.
Sidis
IQ APTITUDE & ABILITY
-
Analytical Reasoning
In a chess tournament, there are six players: Alice, Bob, Carol, David, Emily, and Frank. Each player plays exactly once against each of the other players. The following conditions must be met: i. Alice must play against Bob and Emily. ii. Carol cannot play against David or Frank. iii. Emily must play against Alice and David. How many different matches can be played in total?
A. 15.
B. 18.
C. 12.
D. 21.
Sidis
IQ APTITUDE & ABILITY
-
Analytical Reasoning
Five books – A, B, C, D, and E – are placed on a shelf. The following conditions must be met: i. Book A cannot be placed next to book B. ii. Book C must be placed between books B and D. iii. Book E must be placed somewhere to the right of book A. Which of the following represents a valid arrangement of the books on the shelf, from left to right?
A. B, A, E, C, D.
B. B, C, D, E, A.
C. D, C, B, E, A.
D. A, B, D, E, C.
Gitofa Shah
PHYSICS
-
Quantum Mechanics
Which of the following statements about the Heisenberg Uncertainty Principle is correct?
A. It states that the position and momentum of a particle cannot be measured at the same time..
B. It implies that the product of the uncertainties in position and momentum measurements is always greater than or equal to ℏ / 2..
C. It suggests that particles do not have definite positions and momenta..
D. It is a consequence of the wave-particle duality of light..
Gitofa Shah
PHYSICS
-
Quantum Mechanics
In the context of quantum mechanics, what does the term "wavefunction collapse" refer to?
A. The phenomenon where a wavefunction spreads out over time..
B. The process of normalizing a wavefunction..
C. The sudden transition of a wavefunction into one of the eigenstates upon measurement..
D. The interference pattern created by a superposition of wavefunctions..
Gitofa Shah
PHYSICS
-
Quantum Mechanics
What is the physical significance of the commutator of the position and momentum operators in Quantum Mechanics?
A. It represents the uncertainty principle.
B. It determines the energy eigenvalues.
C. It is a measure of the particle's spin.
D. It is a constant of motion.
Gitofa Shah
PHYSICS
-
Quantum Mechanics
A particle is in a superposition of two energy eigenstates, |ψ= a|E1+ b|E2. What is the probability of finding the particle in the energy eigenstate |E1?
A. |a|^2 / (|a|^2 + |b|^2).
B. a / ( a + b ).
C. b / ( a + b ).
D. None of these.
Gitofa Shah
PHYSICS
-
Quantum Mechanics
What is the purpose of the wave function renormalization in Quantum Field Theory?
A. To remove the infinite self-energy of particles.
B. To introduce the concept of antiparticles.
C. To ensure the Lorentz invariance of the theory.
D. To account for the spin-statistics theorem.
Gitofa Shah
PHYSICS
-
Quantum Mechanics
A beam of particles passes through a Stern-Gerlach apparatus with a magnetic field gradient oriented in the z-direction. What is the effect on the beam?
A. The beam is split into two beams with opposite spin components in the x-direction.
B. The beam is split into two beams with opposite spin components in the y-direction.
C. The beam is split into two beams with opposite spin components in the z-direction.
D. The beam remains unchanged.
Gitofa Shah
PHYSICS
-
Quantum Mechanics
What is the name of the process by which a particle and its antiparticle annihilate into photons?
A. Pair production.
B. Pair annihilation.
C. Compton scattering.
D. Bremsstrahlung.
Gitofa Shah
PHYSICS
-
Thermodynamics
A heat engine operates between two reservoirs at temperatures T1 and T2, with T1 > T2. What is the maximum efficiency of the engine?
A. 1 - (T2 / T1).
B. 1 - (T1 / T2).
C. T1 / T2.
D. T2 / T1.
Gitofa Shah
PHYSICS
-
Thermodynamics
A system undergoes a reversible isothermal expansion from volume V1 to V2. What is the change in internal energy of the system?
A. ΔU = 0.
B. ΔU = Q.
C. ΔU = W.
D. ΔU = -W.
Gitofa Shah
PHYSICS
-
Thermodynamics
What is the name of the process by which a system transitions from a metastable state to a stable state with a decrease in free energy?
A. Melting.
B. Boiling.
C. Condensation.
D. Nucleation.
Gitofa Shah
PHYSICS
-
Thermodynamics
A gas is compressed adiabatically from pressure P1 to P2. What is the change in temperature of the gas?
A. T2 = T1 * (P2 / P1)^(γ - 1).
B. T2 = T1 * (P2 / P1)^(1 / γ).
C. T2 = T1 * (P1 / P2)^(γ - 1).
D. T2 = T1 * (P1 / P2)^(1 / γ).
Gitofa Shah
PHYSICS
-
Thermodynamics
What is the name of the thermodynamic potential that describes a system at constant pressure and temperature?
A. Helmholtz free energy.
B. Gibbs free energy.
C. Landau free energy.
D. Enthalpy.
Gitofa Shah
PHYSICS
-
Electromagnetism
A charged particle moves with a velocity v = 0.6c in a region with a uniform magnetic field B = 2T. What is the magnitude of the force experienced by the particle if its charge is q = 3 × 10^(-6) C?
A. 3.6 × 10^(-3) N.
B. 3.6 × 10^(-2) N.
C. 3.6 × 10^(-1) N.
D. 3.6 N.
Gitofa Shah
PHYSICS
-
Electromagnetism
A parallel-plate capacitor has a capacitance C = 5 μF and is charged to a voltage V = 12 V. If the plates are separated by a distance d = 2 mm, what is the energy density of the electric field between the plates?
A. 1.8 × 10^5 J/m^3.
B. 1.8 × 10^4 J/m^3.
C. 1.8 × 10^3 J/m^3.
D. 1.8 × 10^2 J/m^3.
Gitofa Shah
PHYSICS
-
Electromagnetism
A coil of 500 turns and cross-sectional area A = 0.02 m^2 is placed in a region with a uniform magnetic field B = 0.1 T. If the coil is rotated at a constant angular velocity ω = 20 rad/s, what is the maximum emf induced in the coil?
A. 1.57 V.
B. 3.14 V.
C. 6.28 V.
D. 12.56 V.
Gitofa Shah
PHYSICS
-
Electromagnetism
A beam of light with a wavelength λ = 500 nm is incident on a diffraction grating with 5000 lines per meter. What is the angular separation between the first-order maxima?
A. 0.01 rad.
B. 0.1 rad.
C. 1 rad.
D. 10 rad.
lorrin mike
PHYSICS
-
Astrophysics
Which of the following types of electromagnetic radiation has the shortest wavelength?
A. Radio waves.
B. X-rays.
C. Gamma rays.
D. Infrared radiation.
lorrin mike
PHYSICS
-
Astrophysics
What is the approximate surface temperature of the Sun?
A. 5,500 K.
B. 10,000 K.
C. 15,000 K.
D. 20,000 K.
lorrin mike
PHYSICS
-
Astrophysics
What phenomenon causes the shift in spectral lines towards longer wavelengths in astrophysical objects moving away from Earth?
A. Doppler effect.
B. Gravitational lensing.
C. Zeeman effect.
D. Stark effect.
lorrin mike
PHYSICS
-
Astrophysics
Which of the following is a remnant of a massive star that has undergone a supernova explosion?
A. White dwarf.
B. Neutron star.
C. Red giant.
D. Brown dwarf.
lorrin mike
PHYSICS
-
Astrophysics
What is the name of the boundary surrounding a black hole beyond which nothing, not even light, can escape?
A. Event horizon.
B. Schwarzschild radius.
C. Chandrasekhar limit.
D. Ergosphere.
lorrin mike
PHYSICS
-
Astrophysics
Which type of galaxy is characterized by a flat disk containing young stars, gas, and dust, with spiral arms extending outward from a central bulge?
A. Elliptical galaxy.
B. Irregular galaxy.
C. Spiral galaxy.
D. Lenticular galaxy.
lorrin mike
PHYSICS
-
Astrophysics
What is the primary source of energy generation in main-sequence stars like the Sun?
A. Gravitational contraction.
B. Nuclear fission.
C. Nuclear fusion.
D. Radioactive decay.
lorrin mike
PHYSICS
-
Astrophysics
What theoretical concept describes the gravitational collapse of a massive star into an infinitely dense point, resulting in a gravitational singularity?
A. Black hole.
B. Neutron star.
C. White dwarf.
D. Pulsar.
lorrin mike
PHYSICS
-
Astrophysics
Which phenomenon describes the bending of light around a massive object due to gravity?
A. Refraction.
B. Reflection.
C. Diffraction.
D. Gravitational lensing.
lorrin mike
PHYSICS
-
Astrophysics
What is the predominant element found in the universe by mass fraction?
A. Hydrogen.
B. Helium.
C. Oxygen.
D. Carbon.
lorrin mike
PHYSICS
-
Atomic Physics
Which quantum number specifies the shape of an atomic orbital?
A. Principal quantum number (n).
B. Orbital quantum number (l).
C. Magnetic quantum number (m_l).
D. Spin quantum number (m_s).
lorrin mike
PHYSICS
-
Atomic Physics
Which phenomenon occurs when an electron moves from a higher to a lower energy level within an atom, emitting a photon?
A. Ionization.
B. Fluorescence.
C. Absorption.
D. Emission.
lorrin mike
PHYSICS
-
Atomic Physics
Which element has the electron configuration 1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s² 4p⁶ 4d¹⁰ 5s² 5p⁶?
A. Xenon (Xe).
B. Argon (Ar).
C. Krypton (Kr).
D. Radon (Rn).
lorrin mike
PHYSICS
-
Atomic Physics
Which of the following transitions in the hydrogen atom results in the emission of the highest energy photon?
A. n = 1 to n = 2.
B. n = 2 to n = 3.
C. n = 3 to n = 4.
D. n = 4 to n = 5.
lorrin mike
PHYSICS
-
Atomic Physics
What is the term for the minimum amount of energy required to remove an electron from the outermost shell of an atom in its ground state?
A. Electron affinity.
B. Ionization energy.
C. Binding energy.
D. Excitation energy.
lorrin mike
PHYSICS
-
Nuclear Physics
Which of the following particles is emitted during beta-minus decay?
A. Proton.
B. Neutron.
C. Electron.
D. Alpha particle.
lorrin mike
PHYSICS
-
Nuclear Physics
Which nuclear reaction is responsible for the energy production in the Sun and other stars?
A. Nuclear fission.
B. Nuclear fusion.
C. Alpha decay.
D. Beta decay.
lorrin mike
PHYSICS
-
Nuclear Physics
What is the fundamental force responsible for binding protons and neutrons together in the nucleus?
A. Electromagnetic force.
B. Gravitational force.
C. Weak nuclear force.
D. Strong nuclear force.
lorrin mike
PHYSICS
-
Nuclear Physics
Which of the following particles has the same charge as an electron but approximately 1836 times greater mass?
A. Proton.
B. Neutrino.
C. Alpha particle.
D. Positron.
lorrin mike
PHYSICS
-
Nuclear Physics
What is the approximate binding energy per nucleon in a typical stable nucleus?
A. 1 MeV.
B. 5 MeV.
C. 8 MeV.
D. 10 MeV.
Mushkovic
PHYSICS
-
Physics
When a helium atom loses an electron, it becomes:
A. An alpha particle..
B. Proton.
C. A positive helium ion..
D. A negative helium ion..
Mushkovic
PHYSICS
-
Physics
Beta ray emitted by a radioactive substance is:
A. An electron which was existing outside the nucleus..
B. An electron which was existing inside the nucleus..
C. An electron emitted by the nucleus as a result of the decay of a neutron inside the nucleus..
D. A pulse of electromagnetic wave..
Mushkovic
PHYSICS
-
Physics
An electric charge in uniform motion produces:
A. An electric field..
B. A magnetic field..
C. Both magnetic and electric fields..
D. Neither magnetic nor electric fields..
Mushkovic
PHYSICS
-
Physics
What is emitted by a hot metal filament in a cathode ray tube?
A. X-ray..
B. Proton..
C. Electron..
D. Photon..
Mushkovic
PHYSICS
-
Physics
If the mass of the bob of a pendulum is doubled its time period is:
A. Halved.
B. Doubled.
C. Unchanged.
D. Increases four times..
Mushkovic
PHYSICS
-
Physics
The center of Newton rings is dark due to
A. Polarization.
B. Destructive interference.
C. Constructive interference.
D. Reflection.
Mushkovic
PHYSICS
-
Physics
Which one is the most stable element on the basis of binding energy?
A. Sn..
B. Fe..
C. Ba..
D. Kr..
Mushkovic
PHYSICS
-
Physics
Resistance in RC circuit of time constant 2 seconds is 1000 Ohms. What is the value of C in the circuit?
A. 20 μ farad..
B. 200 μ farad..
C. 2000 μ farad..
D. 2 μ farad..
Mushkovic
PHYSICS
-
Physics
The Lenz’s law refers to induced __________
A. emf..
B. Resistance..
C. Shear..
D. Currents..
Mushkovic
PHYSICS
-
Physics
In which of the following, output is similar to NAND gate if input A=0 and input B=1.
A. Both B and C..
B. XOR..
C. XNOR..
D. NOR..
Mushkovic
PHYSICS
-
Physics
For atomic hydrogen spectrum, which of the following series lies in visible region of electromagnetic spectrum?
A. Lyman series..
B. Paschen series..
C. Balmer series..
D. Bohr series..
Mushkovic
PHYSICS
-
Physics
__________ are the particles that experience strong nuclear force.
A. Neutrons..
B. Neutrinos..
C. Muons..
D. Electrons..
Mushkovic
PHYSICS
-
Physics
The vertical velocity of ball thrown upward __________ with time.
A. Decreases linearly..
B. Remains constant..
C. Doubles..
D. Decreases parabolically..
Mushkovic
PHYSICS
-
Physics
The force required to bend the normally straight path of a particle into a circular path is called __________ force.
A. Traveling..
B. Bending..
C. Centrifugal..
D. Centripetal..
Mushkovic
PHYSICS
-
Physics
A disc at rest without slipping, rolls down a hill of height (3 x 9.8) m. What is its speed in m/sec when it reaches at the bottom?
A. 11.4..
B. 19.6..
C. 22.8..
D. 9.8..
Mushkovic
PHYSICS
-
Physics
Tuning of the radio is the best example of electrical __________
A. Resonance..
B. Resistance..
C. Current..
D. None of these..
Mushkovic
PHYSICS
-
Physics
A standing wave pattern is formed when the length of string is an integral multiple of __________ wavelength.
A. Triple..
B. Half.
C. Full.
D. Double.
Mushkovic
PHYSICS
-
Physics
Which of the following lights travels the fastest in optical fibres?
A. Visible light..
B. Invisible infra-red..
C. Ultra-violet..
D. Ordinary light..
Mushkovic
PHYSICS
-
Physics
The algebraic sum of potential changes in a closed circuit is zero is Kirchhoff’s __________ rule.
A. Third.
B. Second.
C. First.
D. All of these.
Mushkovic
PHYSICS
-
Physics
In LED when an electron combines with a __________ during forward bias conduction, a photon of visible light is emitted.
A. High voltage..
B. Photon..
C. Positron..
D. Hole..
Contributor(9)
Fani Warraich
Anna
Bashir Farooqi
Shalisha Ladawn
Muhammad Tayyab Ikhlas
Sidis
Gitofa Shah
lorrin mike
Mushkovic
It is tedious right option?