CSIR (Council of Scientific & Industrial Research) Physical Sciences: Questions 279 - 282 of 463

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 463 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 300.00 or

Question number: 279

» Thermodynamic and Statistical Physics » Fermi Gases

Appeared in Year: 2014

MCQ▾

Question

The pressure of a nonrelativistic free Fermi gas in three – dimension depends, at , on the density of fermions as. (June – 2014)

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 280

» Atomic & Molecular Physics » Relativistic Corrections for Energy Levels of Hydrogen Atom

Appeared in Year: 2014

MCQ▾

Question

A permanently deformed even – even nucleus with has rotational energy 93 KeV. The energy of next excited state is – (June – 2014)

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 281

» Quantum Mechanics » Motion in Central Potential » Addition of Angular Momenta

Appeared in Year: 2013

MCQ▾

Question

The expectation value of the x – component of the orbital angular momentum in the state,

(Where are the eigenfunction in usual notation), is – (December -2013)

Choices

Choice (4) Response

a.

b.

c.

0

d.

Question number: 282

» Classical Mechanics » Phase Space Dynamics

Appeared in Year: 2012

MCQ▾

Question

Consider the motion of a classical particle in a one – dimensional double – well potential . If the particle is displaced infinitesimally from the minimum on the positive x – axis (and friction is neglected), then – (June)

Choices

Choice (4) Response

a.

The particle will execute simple harmonic motion in the right well an angular frequency

b.

The particle will approach the bottom of the right well and settle there

c.

The particle will switch between the right and left wells

d.

The particle will execute simple harmonic motion in the right well an angular frequency

f Page
Sign In