Subject Specialist Physics PPSC

Punjab Public Service Commission Pakistan

5 contributor - 0 Folowers




The Net Magnetic flux from any closed surface is


Electric displacement current through a surface S is by definition proportional to the


Classical mechanics explains how _______ moves.


Which of the following statements about the Heisenberg Uncertainty Principle is correct?


In the context of quantum mechanics, what does the term "wavefunction collapse" refer to?


What is the physical significance of the commutator of the position and momentum operators in Quantum Mechanics?


What is the purpose of the wave function renormalization in Quantum Field Theory?


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?


What is the name of the process by which a particle and its antiparticle annihilate into photons?


What is the name of the statistical ensemble that describes a system with a fixed number of particles, volume, and energy?


What is the name of the theorem that relates the entropy of a system to the number of possible microstates?


What is the name of the statistical mechanical potential that describes a system at constant temperature and pressure?


A gas is compressed adiabatically from pressure P1 to P2. What is the change in temperature of the gas?


What is the name of the thermodynamic potential that describes a system at constant pressure and temperature?


What is the primary reason for the asymmetry of the protein structure?


Which technique would you use to study the dynamics of a protein-ligand interaction?


What is the name of the process by which cells generate force to move or change shape?


Which biophysical technique measures the rotation of a molecule around its axis?


What is the term for the minimum energy required for a protein to fold into its native structure?


Which type of spectroscopy measures the vibrational modes of molecules?


What is the name of the process by which cells sense and respond to mechanical forces?


Which biophysical technique measures the distance between two points in a biomolecule?


What is the term for the study of the physical principles underlying biological systems?


Which type of microscopy uses a focused laser beam to image biological samples?


Which quantum number specifies the shape of an atomic orbital?


Which of the following transitions in the hydrogen atom results in the emission of the highest energy photon?


Which of the following particles is emitted during beta-minus decay?


Which nuclear reaction is responsible for the energy production in the Sun and other stars?


What is the fundamental force responsible for binding protons and neutrons together in the nucleus?


Which of the following types of electromagnetic radiation has the shortest wavelength?


What is the approximate surface temperature of the Sun?


Which of the following is a remnant of a massive star that has undergone a supernova explosion?


What is the name of the boundary surrounding a black hole beyond which nothing, not even light, can escape?


What is the primary source of energy generation in main-sequence stars like the Sun?


Which phenomenon describes the bending of light around a massive object due to gravity?


When a helium atom loses an electron, it becomes:


Beta ray emitted by a radioactive substance is:


An electric charge in uniform motion produces:


What is emitted by a hot metal filament in a cathode ray tube?


If the mass of the bob of a pendulum is doubled its time period is:


The center of Newton rings is dark due to


Resistance in RC circuit of time constant 2 seconds is 1000 Ohms. What is the value of C in the circuit?


The Lenz’s law refers to induced __________


For atomic hydrogen spectrum, which of the following series lies in visible region of electromagnetic spectrum?


__________ are the particles that experience strong nuclear force.


The vertical velocity of ball thrown upward __________ with time.


Tuning of the radio is the best example of electrical __________


Which of the following lights travels the fastest in optical fibres?