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A certain nuclide has a half life period of 30 min. If a sample containing 600 atoms is allowed to decay for 90 min, how many atoms will remain?

a)

200 atoms

b)

450 atoms

c)

75 atoms

d)

150 atoms



Question ID - 101892 | SaraNextGen Top Answer

A certain nuclide has a half life period of 30 min. If a sample containing 600 atoms is allowed to decay for 90 min, how many atoms will remain?

a)

200 atoms

b)

450 atoms

c)

75 atoms

d)

150 atoms

1 Answer
127 votes
Answer Key / Explanation : (c) -

(c)

 Number of half lives = 3

We know that

 (Number of atom left after)  disintegration)

 atoms

127 votes


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