Question 1

What type of radiation is emitted during natural radioactivity?

Accepted Answer

Alpha particles

Answer

Gamma rays

Answer

X-rays

Answer

Beta particles

Question 2

Which element is most commonly associated with natural radioactivity?

Accepted Answer

Uranium

Answer

Lead

Answer

Carbon

Answer

Iron

Question 3

What is radioactive decay?

Accepted Answer

The process by which unstable atomic nuclei lose energy by emitting radiation

Answer

The splitting of a nucleus into smaller parts

Answer

A chemical reaction between stable atoms

Answer

The process of nuclear fusion

Question 4

What is the half-life of a radioactive substance?

Accepted Answer

The time required for half of the radioactive atoms in a sample to decay

Answer

The total lifespan of the substance

Answer

The time it takes for the substance to become stable

Answer

The time taken for all atoms to react

Question 5

What type of radiation is commonly used in smoke detectors?

Accepted Answer

Alpha particles

Answer

X-rays

Answer

Gamma rays

Answer

Beta particles

Question 6

Which of the following isotopes is commonly used in medical imaging?

Accepted Answer

Technetium-99m

Answer

Iodine-131

Answer

Carbon-14

Answer

Uranium-238

Question 7

What is the primary source of natural background radiation?

Accepted Answer

Cosmic rays

Answer

Radon gas

Answer

Medical X-rays

Answer

Man-made sources

Question 8

What is a common use of radioactive isotopes in agriculture?

Accepted Answer

Pest control

Answer

Crop irrigation

Answer

Soil enhancement

Answer

Fertilizer production

Question 9

What type of radioactive decay involves the release of an electron?

Accepted Answer

Beta decay

Answer

Alpha decay

Answer

Neutron decay

Answer

Gamma decay

Question 10

What device is used to measure radioactivity?

Accepted Answer

Geiger-Muller counter

Answer

Thermometer

Answer

Barometer

Answer

Mass spectrometer

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