Nuclear and Particle Physics (GATE Physics): Questions 5 - 9 of 29

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Question number: 5

» Nuclear and Particle Physics » Conservation Laws

Appeared in Year: 2015

MCQ▾

Question

The decay μ+e++γ is forbidden, because it violates –

Choices

Choice (4) Response

a.

Baryon and lepton number conservation

b.

Angular momentum conservation

c.

Momentum and lepton number conservations

d.

Lepton number conservation

Question number: 6

» Nuclear and Particle Physics » Nuclear Models

Appeared in Year: 2014

Short Answer Question▾

Write in Short

For Nickel the number density is 8×1023atomscm3 and electronic configuration is 1s22s22p63s23p63d84s2 . The value of the saturation magnetization of Nickel in its ferromagnetic state is _×109Am .

(Given the value of Bohr magneton μB=9.21×1021Am2 )

Question number: 7

» Nuclear and Particle Physics » Nuclear Force and Two Nucleons Problem

Appeared in Year: 2015

Short Answer Question▾

Write in Short

The mean kinetic energy of a nucleon in a nucleus of atomic weight A varies as An , where n is ________ (up to two decimal places).

Question number: 8

» Nuclear and Particle Physics » Elementery Particles

Appeared in Year: 2012

MCQ▾

Question

Which one of the following sets corresponds to fundamental particles?

Choices

Choice (4) Response

a.

Proton, electron and neutron

b.

Proton, electron and photon

c.

Electron, photon and neutrino

d.

Quark, electron and meson

Question number: 9

» Nuclear and Particle Physics » Electromagnatic Transitions in Nuclei

Appeared in Year: 2012

MCQ▾

Question

Choose the correct statement from the following –

Choices

Choice (4) Response

a.

Electron does not interact through weak interaction

b.

Neutrino interacts through weak and electromagnetic interaction

c.

Quark interacts through strong interaction but not through weak interaction

d.

Neutron interacts through electromagnetic interaction

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