10th Class Important MCQs Chapter No.9 Atomic & Nuclear Physics

Physics Class 10th Chapter No 9 Atomic and Nuclear Physics

1 / 13

When uranium (92 protons) ejects a beta particle, how many protons are left in the remaining nucleus?

91 protons

90 protons

92 protons

89 protons

2 / 13

Transmutation is :

unstable nuclei changes into stable nuclei and spontaneous process

spontaneous process

None

unstable nuclei changes into stable nuclei

3 / 13

One of the isotopes of Uranium is ₉₂²³⁸U. The number of neutron in this isotope is

92

330

238

146

4 / 13

Release of energy by the sun is due to

Chemical reaction

Nuclear fission

Burning of gases

nuclear fusion

5 / 13

What happens to the atomic number of an element which emits one alpha particle and a beta particle?

None of these

Decreases by 2

Increases by 1

Stays the same

6 / 13

The reason carbon-dating works is that

When a plant or animals dies

There is so much non-radioactive carbon dioxide in the air

After a plant or animals dies, it stops taking in fresh carbon-14

Plants and animals are such strong emitters of carbons-14

7 / 13

Charge on alpha particles is

5e

3e

2e

4e

8 / 13

The half-life of a certain isotopes is 1 day. What is the quantity of the isotope after 2 days?

One eight

One quarter

None of these

One half

9 / 13

The Earth and all living things recieve radiation from outer space

Radon gas

Cosmic rays

X-rays

None

10 / 13

When a heavy nucleus splits into two lighter nuclei, the process would

Release nuclear energy

Release chemical energy

Absorb chemical energy

Absorb nuclear energy

11 / 13

Isotopes are atoms of same element with different

Atomic number

Number of protons

Atomic mass

Number of electrons

12 / 13

Stream of high energy electrons...

Beta -particles

alpha -particles

Gamma -particles

Summation -particles

13 / 13

Which of the following radiation has more penetrating power?

An alpha ray

A gamma ray

A beta particle

All have the same penetrating ability

Your score is

The average score is 53%

0%

PHYSICS – Grade 10 MCQs
Chapter Name :Atomic and Nuclear Physics
Chapter No. 9
Multiple Choice Questions (MCQ’s)

Book Name : Physics

Chapter No. 09

Chapter Name : Atomic and Nuclear Physics

Book Version : New book Printed in 2024

Printed By : Punjab Text Book Board Lahore

Approved By : Govt of the Punjab and Federal Ministry for Education

Test Type : MCQ / Fill in the Blanks / Short Answers

Exam Conduct By : Board of Intermediate and Secondary Education Punjab

Grade / Class : 10th (Matriculation)

Total MCQ from Text Book : 13

Total Marks : 13

Total Time : 13 minutes

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PHYSICS – Grade 10 MCQsChapter Name :Atomic and Nuclear PhysicsChapter No. 9Multiple Choice Questions (MCQ’s)