CSIR (Council of Scientific & Industrial Research) Physical Sciences: Questions 192 - 195 of 463

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Question number: 192

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

Appeared in Year: 2014

MCQ▾

Question

An atomic transition 1P Equation 1S in a magnetic field 1 Tesla shows Zeeman splitting. Given that the Bohr magnetonEquation , 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 perturbationEquation , where Equation is a constant; is added to the infinite square well potential

Equation

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

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 194

» Quantum Mechanics » WKB Approximation

Appeared in Year: 2014

MCQ▾

Question

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

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 195

» Mathematical Methods of Physics » Binomial, Poisson and Normal Distributions

Appeared in Year: 2011

MCQ▾

Question

Consider a Maxwellian distribution of the velocity of the molecules of an ideal gas. Let Equation and Equation denote the most probable velocity and the root mean square velocity, respectively. The magnitude of radio Equation is: (December)

Choices

Choice (4) Response

a.

Equation

b.

1

c.

Equation

d.

Equation

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