Man-made radioactivity is also known as ___________.

(a)

Induced radioactivity

(b)

Spontaneous radioactivity

(c)

Artificial radioactivity

(d)

a & c

Artificial radioactivity was discovered by_____

(a)

Becquerel

(b)

Irene Curie

(c)

Roentgen

(d)

Niels Bohr

____________ isotope is used for the treatment of cancer.

(a)

Radio Iodine

(b)

Radio Cobalt

(c)

Radio Carbon

(d)

Radio Nickel

_____________ aprons are used to protect us from gamma radiations

(a)

Lead oxide

(b)

Iron

(c)

Lead

(d)

Aluminium

Proton - Proton chain reaction is an example of__________

(a)

Nuclear fission

(b)

\(\alpha\) - decay

(c)

Nuclear fusion

(d)

\(\beta\) - decay