CSIR (Council of Scientific & Industrial Research) Physical Sciences: Questions 191 - 194 of 463

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Question number: 191

» Classical Mechanics » Central Force Motions

Appeared in Year: 2011

MCQ▾

Question

Two particles of identical mass move in circular orbits under a central potential . Let and be the angular momenta and be the radii of the orbits respectively. If , the value of is: (December)

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 192

» Atomic & Molecular Physics » Zeeman, Paschen-Bach & Stark Effects

Appeared in Year: 2014

MCQ▾

Question

An atomic transition 1P 1S in a magnetic field 1 Tesla shows Zeeman splitting. Given that the Bohr magneton, and the wavelength corresponding to the transition is 250 nm, the separation in the Zeeman spectral lines is approximately, (December)

Choices

Choice (4) Response

a.

0.001 nm

b.

10 nm

c.

1.0 nm

d.

0.1 nm

Question number: 193

» Quantum Mechanics » Variational Method

Appeared in Year: 2011

MCQ▾

Question

If the perturbation, where is a constant; is added to the infinite square well potential

The first order correction to ground state energy is: - (June)

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 194

» Quantum Mechanics » WKB Approximation

Appeared in Year: 2014

MCQ▾

Question

Consider a particle of mass m in the potential . The energy eigenvalues, in the WKB approximation, are – (December)

Choices

Choice (4) Response

a.

b.

c.

d.

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