GATE PH topic:nuclear-particle-physics PYQs & Answers — Page 4

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topic:nuclear-particle-physics

Questions 31–40 of 61. Imported answers require independent review unless marked reviewed.

Topic practice 61 questionsPage 4 of 7

In a nucleus, the interaction

is responsible for creating spin-orbit doublets. The energy difference between

and

states in units of

is ____________ (Round off to the nearest integer)

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Assume that

(

) undergoes first forbidden

-decay from its ground state with spin-parity

, to a final state

. The possible values for

and

, respectively, are

Your answerChoose one option.

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In an experiment, it is seen that an electric-dipole (

) transition can connect an initial nuclear state of spin-parity

to a final state

. All possible values of

are

Your answerChoose one option.

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For the given sets of energy levels of nuclei X and Y whose mass numbers are odd and even, respectively, choose the best suited interpretation.

Your answerChoose one option.

Set I: Rotational band of X Set II: Vibrational band of Y

Set I: Rotational band of Y Set II: Vibrational band of X

Set I: Vibrational band of X Set II: Rotational band of Y

Set I: Vibrational band of Y Set II: Rotational band of X

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The Gell-Mann – Okuba mass formula defines the mass of baryons as

where

and

are constants,

represents the isospin and

represents the hypercharge. If the mass of

hyperons is same as that of

hyperons, then the correct option(s) is(are)

Your answerSelect all correct options. You can choose more than one.

does not depend on

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A linear charged particle accelerator is driven by an alternating voltage source operating at 10 MHz. Assume that it is used to accelerate electrons. After a few drift-tubes, the electrons attain a velocity 2.9 × 10^8 m s⁻¹. The minimum length of each drift-tube, in m, to accelerate the electrons further (rounded off to one decimal place) is _____.

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The Coulomb energy component in the binding energy of a nucleus is 18.432 MeV. If the radius of the uniform and spherical charge distribution in the nucleus is 3 fm, the corresponding atomic number (rounded off to the nearest integer) is _____.

(Given:

MeV fm)

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For a two-nucleon system in spin singlet state, the spin is represented through the Pauli matrices

for particles 1 and 2, respectively. The value of

(in integer) is _____.

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The total angular momentum

of the ground state of the

nucleus is

Your answerChoose one option.

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A particle

is produced in the process

via the strong interaction. If the quark content of the

, the quark content of

Your answerChoose one option.

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GATE PH topic:nuclear-particle-physics PYQs

Question 60

Question 7

Question 8

Question 32

Question 45

Question 47

Question 48

Question 49

Question 7

Question 8