Chapter 1: Atomic & Nuclear Physics Mcqs for High School - Grade 10

1.

Alpha (α) particles are helium (He) nucleus with a charge of

A. e

B. 2e

C. 3e

D. 4e

Answer & Solution Discuss in Board

2.

When two light nuclei combine to form a heavier nucleus, the process is said to be

A. nuclear fission

B. nuclear fusion

C. nuclear power

D. nuclear transmutation

Answer & Solution Discuss in Board

3.

If a C-14 has a half-life of 5730 years, then how long will it take for the number of C-14 in a sample to drop to 1/8 of initial quantity?

A. 2.58 × 10⁴ years

B. 1.44 × 10⁴ years

C. 1.72 × 10⁴ years

D. 2.58 × 10⁴ years

Answer & Solution Discuss in Board

4.

In the nuclide defined by &¹⁵&₇X, the number of protons and neutrons respectively are

A. 7 and 8

B. 15 and 7

C. 8 and 6

D. 23 and 15

Answer & Solution Discuss in Board

5.

The elements which emit natural radioactivity are known as

A. radio elements

B. active elements

C. radioactive elements

D. nuclear elements

Answer & Solution Discuss in Board

6.

In SI base units, 1 Bq is equal to

A. 10 disintegration per second

B. 1.5 disintegration per second

C. 0.01 disintegration per second

D. 1 disintegration per second

Answer & Solution Discuss in Board

7.

A helium nucleus comprising of two protons and two neutrons with a charge of 2e is

A. beta particle

B. gamma particle

C. alpha particle

D. negative particle

Answer & Solution Discuss in Board

8.

Radiations present in atmosphere due to different radioactive substances are called

A. environmental radiations

B. background radiations

C. positive radiations

D. cosmic radiations

Answer & Solution Discuss in Board

9.

Gamma (γ) radiation are fast moving

A. electrons

B. protons

C. photons

D. neutrons

Answer & Solution Discuss in Board

10.

In air, alpha particles have range of

A. few centimeters

B. several thousand meters

C. several hundred meters

D. several meters

Answer & Solution Discuss in Board

Practice MCQ Questions and answers on Chapter 1: Atomic & Nuclear Physics Mcqs for High School - Grade 10

1. Alpha (α) particles are helium (He) nucleus with a charge of

Answer & Solution

2. When two light nuclei combine to form a heavier nucleus, the process is said to be

Answer & Solution

3. If a C-14 has a half-life of 5730 years, then how long will it take for the number of C-14 in a sample to drop to 1/8 of initial quantity?

Answer & Solution

4. In the nuclide defined by &¹⁵&₇X, the number of protons and neutrons respectively are

Answer & Solution

5. The elements which emit natural radioactivity are known as

Answer & Solution

6. In SI base units, 1 Bq is equal to

Answer & Solution

7. A helium nucleus comprising of two protons and two neutrons with a charge of 2e is

Answer & Solution

8. Radiations present in atmosphere due to different radioactive substances are called

Answer & Solution

9. Gamma (γ) radiation are fast moving

Answer & Solution

10. In air, alpha particles have range of

Answer & Solution

Read More Section(Physics MCQs)

1.

Alpha (α) particles are helium (He) nucleus with a charge of

2.

When two light nuclei combine to form a heavier nucleus, the process is said to be

3.

If a C-14 has a half-life of 5730 years, then how long will it take for the number of C-14 in a sample to drop to 1/8 of initial quantity?

4.

In the nuclide defined by &¹⁵&₇X, the number of protons and neutrons respectively are

5.

The elements which emit natural radioactivity are known as

6.

In SI base units, 1 Bq is equal to

7.

A helium nucleus comprising of two protons and two neutrons with a charge of 2e is

8.

Radiations present in atmosphere due to different radioactive substances are called

9.

Gamma (γ) radiation are fast moving

10.

In air, alpha particles have range of