GATE (Graduate Aptitude Test in Engineering) Physics: Questions 88 - 91 of 659

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Question 88

Appeared in Year: 2014

Question

MCQ▾

The Hamilton՚s canonical equations of motion in terms of Poisson Brackets are –

Choices

Choice (4)Response

a.

b.

c.

d.

Question 89

Appeared in Year: 2014

Question

MCQ▾

The ground state and the first excited state wave function of a one dimensional infinite potential well are and , respectively. When two spin – up electrons are placed in this potential, which one of the following with and denoting the position of the two electrons, correctly represents the space part of the ground state wave function of the system?

Choices

Choice (4)Response

a.

b.

c.

d.

Question 90

Appeared in Year: 2014

Write in Short

Short Answer▾

and are two orthogonal states of a spin system. It is given that

Where and represent the spin – up and spin – down states, respectively. When the system is in the state , its probability to be in the spin – up state is ________.

Question 91

Edit

Appeared in Year: 2015

Write in Short

Short Answer▾

The excitation wavelength of laser in a Raman Effect experiment is 546 nm. If the stokes ‘line is observed at 552 nm, then the wavelength of the anti – stokes’ line (in per cm) is ________.

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