Energy Resources-Radioactive Waste and Radioactivity From Nuclear Reactors (CBSE-NET (UGC) Environmental Science (Paper-II & Paper-III)): Questions 1 - 1 of 1

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Question number: 1

» Energy Resources » Radioactive Waste and Radioactivity From Nuclear Reactors

Appeared in Year: 2009

MCQ▾

Question

After 560 days, 1 gm of a radioactive element is reduced to 116gm. The half-life of the radioactive element is:

Choices

Choice (4) Response

a.

280 days

b.

140 days

c.

70 days

d.

210 days

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