CSIR (Council of Scientific & Industrial Research) Physical Sciences: Questions 118 - 121 of 463

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Question number: 118

» Mathematical Methods of Physics » Matrices

Appeared in Year: 2014

MCQ▾

Question

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

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 119

» Electromagnetic Theory » Polarization

Appeared in Year: 2011

MCQ▾

Question

Consider three polarizers Equation 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 Equation with that of P1. A beam of unpolarized light of intensity Equation is incident on Equation as shown. The intensity of light emerging from P3 is – (December)

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

0

d.

Equation

Question number: 120

» Classical Mechanics » Special Theory of Relativity » Mass-Energy Equivalence

Appeared in Year: 2014

MCQ▾

Question

According to the special theory of relativity, the speed Equation of a free particle of free particle of mass m and total energy E is – (December)

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 121

» Thermodynamic and Statistical Physics » Planck's Distribution Law

MCQ▾

Question

In low density oxygen gas at low temperature, only the translational and rotational modes of the molecules are excited. The specific heat per molecule of the gas is – (December)

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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