CSIR (Council of Scientific & Industrial Research) Physical Sciences: Questions 114 - 117 of 463

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Question number: 114

» Classical Mechanics » Special Theory of Relativity » Relativistic Kinematics

Appeared in Year: 2014

MCQ▾

Question

In a measurement of the viscous drag force experiment by spherical particles in a liquid, the force is found to be proportional to Equation ; where Equation is the measured value of each particle. If V is measured to be Equation , with an uncertainty of Equation , the resulting relative percentage uncertainty in measured force is – (December)

Choices

Choice (4) Response

a.

6

b.

Equation

c.

Equation

d.

3

Question number: 115

» Classical Mechanics » Periodic Motion » Normal Modes

Appeared in Year: 2014

MCQ▾

Question

A particle of mass m is moving in the potential Equation where Equation are positive constants. The frequency of small oscillation about a point of stable equilibrium is – (December)

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 116

» Quantum Mechanics » Stern-Gerlach Experiment

Appeared in Year: 2012

MCQ▾

Question

The component along an arbitrary directionEquation , with direction cosinesEquation , of the spin of spin Equation particle is measured. The result is – (June)

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

0

d.

Equation

Question number: 117

» Thermodynamic and Statistical Physics » Laws of Thermodynamics

Appeared in Year: 2014

MCQ▾

Question

For a particular thermodynamic system the entropy S is related to the internal energy U and volume V by Equation ; where c is a constant. The Gibbs potential Equation for this system is – (June)

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Zero

d.

Equation

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