NEET Physics Nuclei Questions Solved

A radioactive element emits 200 particles per second. After three hours 25 particles per second are emitted. The half life period of element will be
(a) 50 minutes            (b) 60 minutes
(c) 70 minutes            (d) 80 minutes

Explanation is a part of a Paid Course. To view Explanation Please buy the course.

Difficulty Level: