SELECT * FROM question_mgmt as q WHERE id=1375 AND status=1 SELECT id,question_no,question,chapter FROM question_mgmt as q WHERE courseId=2 AND subId=9 AND chapterId=46 and ex_no='1' AND status=1 ORDER BY CAST(question_no AS UNSIGNED)

Question:

How much time would it take to distribute one Avogadro number of wheat grains, if 1010 grains are distributed each second?

Answer:

We know , Avogadro number = 6.023 × 1023

Therefore , time taken for distributing the grains

= (6.023 × 1023 x 1) / 1010 = 6.023 x 1013 s

By Converting these seconds into years, we get

= (6.023 x 1013) / (60 x60x24x365)

= 1,90,9800 y

Hence, the time taken would be 1.909 x 106 years.


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