GATE (Graduate Aptitude Test in Engineering) Physics: Questions 166 - 170 of 659

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Question 166

Appeared in Year: 2012

Question

MCQ▾

The ground state of sodium atom is a state. The difference in energy levels arising in the presence of a weak external magnetic field , given in terms of Bohr magneton, , is –

Choices

Choice (4)Response

a.

b.

c.

d.

Question 167

Appeared in Year: 2016

Question

MCQ▾

Which of the following statements is NOT correct?

Choices

Choice (4)Response

a.

A deuteron can be disintegrated by irradiating it with gamma rays of energy .

b.

A deuteron has no excited states.

c.

A deuteron has no electric quadrupole moment.

d.

The state of deuteron cannot be formed.

Question 168

Appeared in Year: 2011

Question

MCQ▾

An electron with energy is incident from left on a potential barrier, given by, as shown in the figure.

Graph of Potential Barrier

For , the space part of the wavefunction for is of the form –

( is a real positive quantity)

Choices

Choice (4)Response

a.

b.

c.

d.

Question 169

Residue Theorem and Applications

Appeared in Year: 2013

Write in Short

Short Answer▾

For the function , the residue at the pole is (your answer should be an integer) ________.

Passage

In the Schmidt model of nuclear magnetic moments, we have,

Where, the symbols have their usual meaning.

Question 170 (1 of 2 Based on Passage)

Appeared in Year: 2013

Question

MCQ▾

For the case ; where is the total angular momentum, the expectation value in the nuclear ground state is equal to –

Choices

Choice (4)Response

a.

b.

c.

d.

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