GATE (Graduate Aptitude Test in Engineering) Physics: Questions 43 - 48 of 659

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Question 43

Appeared in Year: 2015

Question

MCQ▾

A particle is confined in a box of length as shown below,

A Particle is in Box

If the potential is treated as a perturbation, including the first order correction, the ground state energy is –

Choices

Choice (4)Response

a.

b.

c.

d.

Question 44

Appeared in Year: 2014

Write in Short

Short Answer▾

If and are the angular momentum ladder operators, then, the expectation value of , in the state of an atom is .

Question 45

Appeared in Year: 2014

Write in Short

Short Answer▾

The current gain of the transistor in the following circuit is . The value of collector current is .

The Circuit Consists of Transistor

Question 46

Appeared in Year: 2014

Write in Short

Short Answer▾

The value of the magnetic field required to maintain non – relativistic protons of energy in a circular orbit of radius is .

(Given: )

Question 47

Appeared in Year: 2014

Question

MCQ▾

Which one of the following three – quarks states , denoted by X, CANNOT be a possible baryon? The corresponding electric charge is indicated in the superscript.

Choices

Choice (4)Response

a.

b.

c.

d.

Question 48

Appeared in Year: 2014

Write in Short

Short Answer▾

Consider the process . The minimum kinetic energy of the muons in the centre of mass frame required to produce the pion pairs at rest is .

.

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