GATE (Graduate Aptitude Test in Engineering) Physics: Questions 129 - 134 of 659

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Question 129

Appeared in Year: 2012

Question

MCQ▾

Which one of the following sets corresponds to fundamental particles?

Choices

Choice (4)Response

a.

Quark, electron and meson

b.

Electron, photon and neutrino

c.

Proton, electron and neutron

d.

Proton, electron and photon

Passage

The wave function of a particle moving in free space is given by,

Question 130 (1 of 2 Based on Passage)

Appeared in Year: 2012

Question

MCQ▾

The energy of the particle is –

Choices

Choice (4)Response

a.

b.

c.

d.

Question 131 (2 of 2 Based on Passage)

Appeared in Year: 2012

Question

MCQ▾

The probability current density for the real part of the wavefunction is –

Choices

Choice (4)Response

a.

0

b.

c.

d.

1

Question 132

Appeared in Year: 2012

Question

MCQ▾

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Choices

Choice (4)Response

a.

b.

c.

d.

Question 133

Appeared in Year: 2012

Question

MCQ▾

Choose the correct statement from the following –

Choices

Choice (4)Response

a.

Quark interacts through strong interaction but not through weak interaction

b.

Neutrino interacts through weak and electromagnetic interaction

c.

Electron does not interact through weak interaction

d.

Neutron interacts through electromagnetic interaction

Question 134

Appeared in Year: 2012

Question

MCQ▾

The terms arising from electronic configuration in coupling scheme are –

Choices

Choice (4)Response

a.

b.

c.

d.

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