Nuclear and Particle Physics (CSIR Physical Sciences): Questions 5 - 8 of 13

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Question number: 5

» Nuclear and Particle Physics » Binding Energy

Appeared in Year: 2013

MCQ▾

Question

The binding energy of a light nucleus (Z, A) in MeV is given by the approximate formula, B(A,Z)16A20A2334Z2A13+30(NZ)2A where N=AZ is the neutron number. The value of Z of the most stable isobar for a given A is – (June)

Choices

Choice (4) Response

a.

A2(1A23160)1

b.

A2(1+A4364)

c.

A2

d.

A2(1A23120)1

Question number: 6

» Nuclear and Particle Physics » Rotational Spectra

Appeared in Year: 2012

MCQ▾

Question

The first absorption spectrum of 12C16O is at 3.842cm1 while that of 13C16O is at 3.673cm1 . The ratio of their moments of inertia is – (June)

Choices

Choice (4) Response

a.

1.286

b.

1.851

c.

1.046

d.

1.038

Question number: 7

» Nuclear and Particle Physics » C, P and T Invariance

Appeared in Year: 2012

MCQ▾

Question

Consider the following particle: the proton p , the neutron n , pion π0 and the delta resonance Δ+ . When ordered arrangement is as follows –

(December)

Choices

Choice (4) Response

a.

Δ+,n,π0,p

b.

π0,n,p,Δ+

c.

p,n,Δ+,π0

d.

p,n,π0,Δ+

Question number: 8

» Nuclear and Particle Physics » Application of Symmetry Arguments to Particle Reactions

Appeared in Year: 2012

MCQ▾

Question

The muon has mass 105MeVc2 and mean lifetime 2.2μs in its rest frame. The mean distance traversed by muon of energy 315MeVc2 before decaying is approximately – (December)

Choices

Choice (4) Response

a.

6.6μm

b.

3×105km

c.

2.2cm

d.

1.98km

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