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Radioactivity Quiz

Total questions: 7

Worksheet time: 4mins

Name
Class
Date
1.

What is the charge of a proton?

a)

0

b)

+2

c)

+1

d)

-1

2.

Which type of radiation is highly ionising and weakly penetrating?

a)

Neutron

b)

Alpha

c)

Beta

d)

Gamma

3.

Which of the below is an instrument to detect radiation?

a)

Balance

b)

Geiger-muller tube

c)

Gamma emission

d)

Newton meter

4.

Which of the following is a source of background radiation from space?

a)

Nuclear power plants

b)

Cosmic rays

c)

Radioactive rocks

d)

Medical x-rays

5.

What is the half-life of an isotope?

a)

The time taken for all nuclei to decay

b)

The time taken for the activity to double

c)

The time taken for half the nuclei to decay

d)

The time taken for the activity to become zero

6.

Which type of radiation is used in smoke detectors?

a)

Neutron

b)

Alpha

c)

Beta

d)

Gamma

7.

What happens during nuclear fusion?

a)

A nucleus splits into smaller nuclei

b)

A nucleus emits an alpha particle

c)

Two nuclei fuse to form a larger nucleus

d)

A neutron is absorbed by a nucleus