GATE (Graduate Aptitude Test in Engineering) Physics: Questions 113 - 117 of 659

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Question 113

Appeared in Year: 2016

Question

MCQ▾

The Lagrangian of a system is given by

, where are constants.

Which of the following is conserved?

Choices

Choice (4)Response

a.

b.

c.

d.

Question 114

Appeared in Year: 2016

Question

MCQ▾

If and are the components of the position and the momentum operators of a particle respectively, the commutator is –

Choices

Choice (4)Response

a.

b.

c.

d.

Question 115

Appeared in Year: 2012

Question

MCQ▾

Two uniform thin rods of equal length and masses and are joined together along the length. The moment of inertia of the combined rod of length about an axis passing through the mid – point and perpendicular to the length of the rod is –

Choices

Choice (4)Response

a.

b.

c.

d.

Question 116

Appeared in Year: 2016

Question

MCQ▾

For the digital circuit given below, the output X is –

Digital Circuit of Three Different Gates

Choices

Choice (4)Response

a.

b.

c.

d.

Question 117

Appeared in Year: 2012

Question

MCQ▾

A particle of unit mass moves along the X – axis under the influence of a potential, . The particle is found to be in stable equilibrium at the point . The time period of oscillation of the particle is –

Choices

Choice (4)Response

a.

b.

c.

d.

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