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Physics QUESTION #1172

A charge moving in a uniform static magnetic field experiences:

A force perpendicular to magnetic field and velocity✔️
Increase in momentum
Decrease in momentum
Decrease in velocity

Correct Answer Logic:

The magnetic force on a moving charge is given by the Lorentz force: $\vec{F} = q(\vec{v} \times \vec{B})$. The cross product means the force is always perpendicular to both the velocity $\vec{v}$ and the magnetic field $\vec{B}$. Since the force is perpendicular to velocity, it does no work, so speed (and hence momentum magnitude and kinetic energy) remains unchanged.

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Chemistry QUESTION #478

Question 2862

Al?F?SiO? is named as

Gibbsite
Emerald✔️
Bauxite
Cryolite

Correct Answer Logic:

This is beryl/emerald composition

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Tourism & Hospitality Management QUESTION #1621

Question 2863

The Tourism Management course covers 'managing urban tourism.' Which of the following is identified as a key challenge specific to urban tourism management?

Lack of accommodation in rural areas
Balancing the needs of resident populations with the demands of tourists, managing heritage sites in urban contexts, and addressing overcrowding and infrastructure strain✔️
The absence of natural attractions in cities
The high cost of adventure sports in urban environments

Correct Answer Logic:

Module 3 of the Tourism Management course — 'Managing Tourism in Its Environment' — covers urban tourism and identifies key challenges including: integrating tourism within existing urban infrastructure, managing heritage sites, balancing resident quality of life against tourist demand, and addressing overcrowding — issues that differ fundamentally from rural or natural-area tourism management.

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Tourism & Hospitality Management QUESTION #1613

Question 2864

The Tourism and Hospitality Laws course addresses 'the law of tort' as relevant to hospitality operations. Which of the following scenarios would most directly engage tort law in a hotel context?

A hotel failing to renew its business registration on time
A guest slipping on an unmarked wet floor in the hotel lobby and sustaining injury due to the hotel's negligence✔️
A chef preparing food that does not meet a guest's flavor preference
A hotel raising its room rates during peak season

Correct Answer Logic:

The Tourism and Hospitality Laws course covers torts — specifically negligence, trademark infringement, and fraud — in Module 2. A guest injured due to the hotel's failure to maintain safe premises (e.g., an unmarked wet floor) is a classic negligence tort scenario in which the hotel owes a duty of care and may be held liable for breach of that duty.

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Professional QUESTION #1880

Question 2865

Under Rule 2(2) the term 'authority' refers to the appointing authority prescribed in which specific rule?

Rule 4 of Civil Servants (Appointment Promotion and Transfer) Rules 1973
Rule 6 of Civil Servants (Appointment Promotion and Transfer) Rules 1973✔️
Rule 8 of Civil Servants (Appointment Promotion and Transfer) Rules 1973
Rule 5 of Civil Servants (Appeal) Rules 1977

Correct Answer Logic:

Rule 2(2) expressly refers to the appointing authority prescribed in Rule 6 of the Civil Servants (Appointment Promotion and Transfer) Rules 1973.

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Security Measures to Maintain Law and Order QUESTION #863

Question 2866

"Transparency" in security measures to maintain order involves:

Giving away secrets
Clear signage and public information✔️
Open doors to the armory
Publicly sharing staff files

Correct Answer Logic:

Ethical security includes informing the public of their rights and the security rules (e.g., prohibited items) through clear communication.

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Agronomy QUESTION #2106

Question 2867

Climate-smart agriculture (CSA) is defined by FAO as an integrated approach that simultaneously addresses three objectives. Which correctly identifies all three pillars?

Maximizing synthetic input use, eliminating smallholder farming, and industrializing food systems
Sustainably increasing agricultural productivity and incomes (food security), adapting and building resilience to climate change (adaptation), and reducing greenhouse gas emissions where possible (mitigation) — with food security as the primary priority✔️
Exclusively reducing agricultural GHG emissions regardless of impact on food security
Promoting organic farming, eliminating livestock, and rewilding agricultural land

Correct Answer Logic:

FAO's CSA framework has three pillars: (1) Productivity — sustainably increasing agricultural output and farmer incomes to achieve food security; (2) Adaptation — reducing vulnerability and building resilience to climate shocks; (3) Mitigation — reducing GHG emissions per unit food produced and sequestering carbon in soils/biomass. The three objectives must be pursued together, with explicit recognition of trade-offs, particularly between mitigation and food security for vulnerable smallholders.

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Agronomy QUESTION #2042

Question 2868

Vermicompost differs from conventional FYM in that:

It has lower nutrient content and slower release rates
It is processed through earthworm digestion, resulting in finer particle size, higher microbial activity, better nutrient availability, plant growth hormones, and humic acids compared to conventional composting✔️
It can only be applied as a liquid foliar spray
It increases soil acidity more rapidly than FYM

Correct Answer Logic:

Earthworms (Eisenia fetida) physically and biochemically transform organic matter during vermicomposting. The product has higher N (1.5–2.5%), better C:N ratio, richer microbial diversity, plant hormones (auxins, gibberellins), humic/fulvic acids, and finer texture than FYM — resulting in better crop response per unit weight applied.

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Pakistan Affairs QUESTION #135

Question 2869

Pakistan and Tajikistan are separated by:

Durand Line
Wakhan Corridor✔️
Khyber Pass
Bolan Pass

Correct Answer Logic:

The Wakhan Corridor is a narrow strip of territory in Afghanistan that separates Tajikistan from Pakistan.

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English QUESTION #2724

Question 2870

Identify the CONJUNCTION in the sentence: 'I wanted to go

but it was raining.'?✔️
wanted
go
but

Correct Answer Logic:

2

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Math (Module-1) QUESTION #5468

Question 2871

If $\frac{x}{8} = 5$, what is the value of $\frac{8}{x}$?

$\frac{1}{5}$✔️
$\frac{1}{8}$
5
40

Correct Answer Logic:

$\frac{x}{8} = 5 \implies x = 40$. Then $\frac{8}{x} = \frac{8}{40} = \frac{1}{5}$.

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The Title 28 of the United States Code QUESTION #3759

Question 2872

A person owns land that is completely surrounded by other people's land, with no access to a public road. They likely have:

An easement by necessity.✔️
An easement by implication.
A negative easement.
No right of access.

Correct Answer Logic:

An easement by necessity is created when a piece of land is landlocked and the only way to reach a public road is across the grantor's remaining land.

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Mathematics QUESTION #1276

Question 2873

The order of the cyclic subgroup generated by $\bar{6}$ in $\mathbb{Z}_{18}$ is:

2
3✔️
6
9

Correct Answer Logic:

The order of $\bar{a}$ in $\mathbb{Z}_n$ is $\dfrac{n}{\gcd(n,a)}$. Here $n=18$, $a=6$: order $=\dfrac{18}{\gcd(18,6)}=\dfrac{18}{6}=3$.

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Security Measures to Maintain Law and Order QUESTION #881

Question 2874

The "Incident Command System" (ICS) is used by ASF to:

Track staff leave
Organize a modular emergency response✔️
Check passenger IDs
Manage the canteen

Correct Answer Logic:

ICS is a standardized hierarchy that allows for a flexible response to incidents of any size.

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Mechanical Engineering QUESTION #2532

Question 2875

The equation of motion for the center of mass G of a rigid body system of total mass $m$ acted on by external forces is:

$\sum\mathbf{F}_{ext} = m\,\mathbf{a}_G$✔️
$\sum\mathbf{F}_{ext} = I_G\,\boldsymbol{\alpha}$
$\sum\mathbf{F}_{ext} = \mathbf{H}_G$
$\sum\mathbf{F}_{ext} = m\,\boldsymbol{\omega}\times\mathbf{v}_G$

Correct Answer Logic:

Newton's law for the center of mass: $\sum\mathbf{F}_{ext}=m\mathbf{a}_G$, regardless of internal forces.

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Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #3044

Question 2876

The 'NP' in Type NP glass stands for:

New Product
Non-Parenteral✔️
Negative Pressure
Neutral Ph

Correct Answer Logic:

Type NP is general-purpose soda-lime glass intended for non-injectable products.

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Others section QUESTION #4778

Question 2877

What is the name of Sri Lanka's official currency?

Rupiyah
Lek
Ringgit
Sri Lankan Rupee✔️

Correct Answer Logic:

The official currency of Sri Lanka is the Sri Lankan Rupee (LKR), which has been in use since 1872. Lek is Albanian, Ringgit is Malaysian.

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Tourism & Hospitality Management QUESTION #1622

Question 2878

In the Tourism Marketing course, the 'marketing mix' for tourism services is complicated by which unique characteristics of services as identified in the curriculum?

Tangibility, Standardization, Storability, and Separability
Intangibility, Inseparability, Variability (heterogeneity), and Perishability✔️
Flexibility, Visibility, Durability, and Affordability
Locality, Seasonality, Profitability, and Scalability

Correct Answer Logic:

The Tourism Marketing course (Module 3) specifically identifies the four distinguishing characteristics of services that complicate the marketing mix: Intangibility (cannot be inspected before purchase), Inseparability (production and consumption occur simultaneously), Variability (quality varies with each delivery), and Perishability (unsold capacity cannot be stored) — all with direct marketing implications.

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Mathematics QUESTION #978

Question 2879

Let $\alpha_\theta$ and $\beta_\theta$ be the distinct roots of $2x^2+(\cos\theta)x-1=0,\ \theta\in(0,2\pi)$. If $m$ and $M$ are the minimum and maximum values of $\alpha_\theta^4+\beta_\theta^4$, then $16(M+m)$ equals:

24
25✔️
17
27

Correct Answer Logic:

By Vieta's: $\alpha+\beta=-\frac{\cos\theta}{2}$, $\alpha\beta=-\frac{1}{2}$. Then $\alpha^2+\beta^2=(\alpha+\beta)^2-2\alpha\beta=\frac{\cos^2\theta}{4}+1$. And $\alpha^4+\beta^4=(\alpha^2+\beta^2)^2-2(\alpha\beta)^2=\left(\frac{\cos^2\theta}{4}+1\right)^2-\frac{1}{2}$. Let $u=\cos^2\theta\in[0,1]$. Max at $u=1$: $M=\frac{25}{16}-\frac{1}{2}=\frac{17}{16}$. Min at $u=0$: $m=1-\frac{1}{2}=\frac{1}{2}$. So $16(M+m)=16\cdot\frac{25}{16}=25$.

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Physics and Math QUESTION #737

Question 2880

The time period of a second pendulum from its extreme to mean position:

T
T/4
T/2
2 sec✔️

Correct Answer Logic:

A second pendulum has T = 2 seconds for a complete oscillation. From extreme to mean position is T/4 = 0.5 s. The answer '2 sec' refers to the full time period of a second pendulum.

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