CSIR Physical Sciences: Questions 301 - 304 of 401

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Question number: 301

» Thermodynamic and Statistical Physics » Bose-Einstein Condensation

Appeared in Year: 2012

MCQ▾

Question

Bose condensation occurs in liquid Equation kept at ambient pressure at Equation . At which temperature will Bose condensation occur in Equation in gaseous state, the density of which is 1000 times smaller than that of liquid Equation ?

(Assume that it is a perfect Bose gas) (June)

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 302

» Nuclear and Particle Physics » Rotational Spectra

Appeared in Year: 2012

MCQ▾

Question

The first absorption spectrum of Equation is at Equation while that of Equation is at Equation . The ratio of their moments of inertia is – (June)

Choices

Choice (4) Response

a.

1.286

b.

1.851

c.

1.046

d.

1.038

Question number: 303

» Classical Mechanics » Special Theory of Relativity » Relativistic Kinematics

Appeared in Year: 2012

MCQ▾

Question

What is the proper time interval between the occurrences of two events if in one inertial frame the events are separated by Equation and occurs Equation apart? (June)

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 304

» Nuclear and Particle Physics » C, P and T Invariance

Appeared in Year: 2012

MCQ▾

Question

Consider the following particle: the proton Equation , the neutron Equation , pion Equation and the delta resonance Equation . When ordered arrangement is as follows –

(December)

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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