Understanding Nuclear Radiation Detection

What is the primary principle used in detecting nuclear radiations like alpha, beta, and gamma rays?

• Gravitational effect

• Ionizing effect

• Magnetic effect

• Thermal effect

What is the main function of a gold leaf electroscope?

• To measure temperature

• To measure pressure

• To detect the presence of charge

• To calculate speed

How does a gold leaf electroscope indicate the presence of a charged object?

• By opening the gold leaf

• By changing color

• By emitting sound

• By vibrating

Which type of radioactive emission can a gold leaf electroscope detect?

• Gamma rays

• Alpha particles

• Beta particles

• Neutrons

What happens to the gold leaf of an electroscope when exposed to alpha particles?

• It closes very quickly

• It emits light

• It changes color

• It remains open for a long time

Why is the gold leaf electroscope not suitable for detecting beta and gamma radiations?

• They are too heavy

• They have high ionizing effects

• They are too fast

• Their ionizing effects are too low

What is the effect of alpha particles on the air around the electroscope?

• They cool the air

• They ionize the air

• They compress the air

• They heat the air

What happens to the electroscope when it becomes neutralized?

• The gold leaf opens

• The gold leaf closes

• The electroscope emits light

• The electroscope vibrates

What charge is attracted to a positively charged electroscope when alpha particles are present?

• No charge

• Positive charge

• Negative charge

• Neutral charge

What is the result of the ionization of air by alpha particles around the electroscope?

• Creation of heat

• Creation of charged particles

• Creation of sound

• Creation of light