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PHYSICS

JAMB 2016 - Question 34

Physics 2016 JAMB Past Questions - Question 34: which of the following features is NOT a characteristic of natural radioactivity ?

Choose the correct answers from the options given.

which of the following features is NOT a characteristic of natural radioactivity ?

A: Radioactivity is a nuclear phenomenon

B: Radioactivity is exhibited only elements of mass number greater than 206

C: The radioactivity of an element is affected by electric and magnetic fields in the surroundings

D: Radioactive substances emit three types of radiations, α-rays β-rays γ-rays

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Correct Answer

Explanation

The feature that is NOT a characteristic of natural radioactivity is stability. Natural radioactivity is characterized by the spontaneous decay or disintegration of unstable atomic nuclei, resulting in the emission of radiation. Stability, on the other hand, refers to the state of an atomic nucleus that is not undergoing radioactive decay.