1.

How much time (in hours ) would it take to distribute one avogardo number of wheat grains if 10^20 grains are distributed each second ?

Answer»

0.1673
1.673
16.73
167.3

Solution :Time TAKEN to DISTRIBUTE `10^20` GRAINS = 1 second
Time taken to distribute `6.022 XX 10^23`grains
` = (1)/(10^20) xx 6.022 xx 10^23 ` seconds
` = (6.022 xx 10^23)/(10^20 xx 60 xx 60) ` hours
= 1.673 hours


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