CUET-UG SERIES

Physics

Nuclei

5 previous year questions.

Volume: 5 Ques

Yield: Medium

High-Yield Trend

5

2023

Chapter Questions
5 MCQs

01

PYQ 2023

medium

physics ID: cuet-ug-

Match List I with List II List-I List-II (A) To slow down fast moving neutrons (I) Thermal neutrons (B) A neutron or a proton (II) Fission (C) Slow neutrons (III) Moderator (D) Neutron induced nuclear reaction (IV) Nucleon Choose the correct answer from the options given below:

1

(A)-(IV), (B)-(III), (C)-(I), (D)-(II)

2

(A)-(I), (B)-(IV), (C)-(III), (D)-(II)

3

(A)-(II), (B)-(III), (C)-(IV), (D)-(I)

4

(A)-(III), (B)-(IV), (C)-(I), (D)-(II)

02

PYQ 2023

medium

physics ID: cuet-ug-

After 4 hours, of the initial amount of a certain radioactive isotype remains undecayed. What is the half life of the isotope?

1

15 min

2

30 min

3

45 min

4

60 min

03

PYQ 2023

medium

physics ID: cuet-ug-

In this nuclear reaction A is a/an:

1

electron

2

gamma ray

3

positron

4

anti neutrino

04

PYQ 2023

medium

physics ID: cuet-ug-

Match List I with List II LIST I LIST II A . Mass of alpha particle I . 1.00727 u B . Mass of proton II . 4.00260 u C . Mass of neutron III . 0.00055 u D . Mass of electron IV . 1.00866 u Choose the correct answer from the options given below:

1

A-III, B-I, C-IV, D-II

2

A-II, B-IV, C-I, D-III

3

A-II, B-I, C-IV, D-III

4

A-I, B-III, C-II, D-IV

05

PYQ 2023

medium

physics ID: cuet-ug-

Choose the correct statements: (A) A nuclide is represented as (B) Nuclids with same number of protons are called isotopes (C) a-ray scattering experiments allow determination of the nuclear radius (D) Nuclids with same number of neutrons are called isotones (E) The nuclear force distinguishes between neutron and proton Choose the correct answer from the options given below:

1

(A), (B), (C), (D) and (E) only

2

(B), (D) and (E) only

3

(B), (C) and (D) only

4

(B), (C), (D) and (E) only