NEW
Font size
WorksheetsRadioactivity: alpha, beta, gamma
Total questions: 12
Worksheet time: 6mins
Name the instrument used to detect radioactivity?
Voltmeter
Ohmeter
Geiger counter
Seismograph
What particle is released when an unstable isotope undergoes alpha radiation?
a neutron
an electron
a photon of light
a helium nucleus
Which type of radiation gives out electron?
Alpha radiation
Beta radiation
Gamma radiation
What kind of radiation can be stopped by paper?
Alpha radiation
Beta radiation
Gamma radiation
In order of most to least penetrating radiation, we have
alpha, beta, gamma
gamma, beta, alpha
alpha, gamma, beta
beta, alpha, gamma
What stops beta radiation
Paper
Air
Glass
Aluminium 3mm or thicker
Which line in the table describes the nature of an alpha-particle and a gamma-ray?
A
B
C
D
Which type of radiation has the greatest ionising effect?
α-particles
β-particles
γ-rays
all have the same ionising effect
A Geiger counter detects radiation from radioactive sources.
A radioactive source is inside a thick aluminium container as shown:
Which type of radiation from this source is being detected?
α-particles
β-particles
γ-rays
radio waves
