CSIR (Council of Scientific & Industrial Research) Physical Sciences: Questions 225 - 228 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: 225

» Classical Mechanics » Dynamical System

Appeared in Year: 2014

MCQ▾

Question

A canonical transformation relates the old coordinates Equation to the new ones Equation by the relations Equation and Equation . The corresponding time – independent generating function is – (June – 2014)

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 226

» Classical Mechanics » Conservation Laws and Cyclic Coordinates

Appeared in Year: 2013

MCQ▾

Question

A particle of mass m is at the stable equilibrium position of its potential energy, Equation ; where Equation are positive constants. The minimum velocity that has to be imparted to the particle to render its motion unstable is – (June)

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 227

» Quantum Mechanics » Spin-Statistics Connection

Appeared in Year: 2013

MCQ▾

Question

A spin Equation particle A undergoes the decay, Equation

where it is know that B and C are also spin Equation particles. The complete set of allowed values of the spin of the particle D is – (June)

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 228

» Atomic & Molecular Physics » Diatomic Molecules » Vibrational

Appeared in Year: 2013

MCQ▾

Question

The phonon dispersion for the following one – dimensional diatomic lattice with masses Equation and Equation (as shown in figure)

Diagram of phonon dispersion

Diagram of Phonon Dispersion

In figure the phonon dispersion for the following one – dimensional diatomic lattice with masses M1 and M2.

is given by, Equation

where Equation is the lattice parameter and K is the spring constant. The velocity of sound is – (June)

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

f Page
Sign In