Nuclear and Particle Physics [GATE (Graduate Aptitude Test in Engineering) Physics]: Questions 23 - 28 of 53

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Question 23

Nuclear and Particle Physics

Appeared in Year: 2010

Question

MCQ▾

In the nuclear shell model the spin parity of is given by –

Choices

Choice (4)Response

a.

b.

c.

d.

Question 24

Nuclear and Particle Physics

Appeared in Year: 2010

Question

MCQ▾

The basic process underlying the neutron decay is –

Choices

Choice (4)Response

a.

b.

c.

d.

Question 25

Nuclear and Particle Physics

Appeared in Year: 2010

Question

MCQ▾

The quark content of and is indicated:

In the process, , considering strong interaction only, which of the following statements is true?

Choices

Choice (4)Response

a.

The process is not allowed because and

b.

The process is not allowed because the baryon number is violated

c.

The process is allowed because

d.

The process is allowed because

Question 26

Nuclear and Particle Physics

Appeared in Year: 2009

Question

MCQ▾

Consider the following expression for the mass of a nucleus with protons and nucleus:

. Here is function of .

and are constants of suitable dimensions. For a fixed , the expression of for the most stable nucleus is –

Choices

Choice (4)Response

a.

b.

c.

d.

Question 27

Nuclear and Particle Physics

Appeared in Year: 2009

Question

MCQ▾

In the quark model which one of the following represents a proton?

Choices

Choice (4)Response

a.

b.

c.

d.

Question 28

Nuclear and Particle Physics

Appeared in Year: 2009

Question

MCQ▾

Consider a nucleus with neutrons and protons. If and BE represent the mass of the proton, the mass of the neutron and the binding energy of nucleus respectively and is the velocity of light in free space, the mass of the nucleus is given by –

Choices

Choice (4)Response

a.

b.

c.

d.

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