CSIR (Council of Scientific & Industrial Research) Physical Sciences: Questions 116 - 119 of 463

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Question number: 116

» Quantum Mechanics » Stern-Gerlach Experiment

Appeared in Year: 2012

MCQ▾

Question

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

Choices

Choice (4) Response

a.

b.

c.

0

d.

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 ; where c is a constant. The Gibbs potential for this system is – (June)

Choices

Choice (4) Response

a.

b.

c.

Zero

d.

Question number: 118

» Mathematical Methods of Physics » Matrices

Appeared in Year: 2014

MCQ▾

Question

Consider the matrix. The eigenvalues of M are – (June)

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 119

» Electromagnetic Theory » Polarization

Appeared in Year: 2011

MCQ▾

Question

Consider three polarizers placed along an axis as shown in the figure.

A beam of light passing through polarizers

A Beam of Light Passing Through Polarizers

In figure a beam of unpolarized light of intensity I0 is passing through three polarizers.

The pass axis of P1 and P3 are at right angles to each other while the pass axis of P2 makes an angle with that of P1. A beam of unpolarized light of intensity is incident on as shown. The intensity of light emerging from P3 is – (December)

Choices

Choice (4) Response

a.

b.

c.

0

d.

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