Mechanical Engineering · Q19

Power Plant Engineering

Engineering and GATE · Mechanical Engineering · question 19

Q19

The unit of radioactivity is

A.

Electron volt

B.

Electron ampere

C.

Curie

Answer

D.

MV

Answer: Option C

Solution

Answer: Option C

Solution:

1 curie = 3.7 x 10¹⁰ radioactive decays per second [exactly].
1 becquerel = 1 radioactive decay per second = 2.703 x 10^-11 Ci.

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