Question

Example 22. How many years it would take to spend
one Avogadro number of rupees at a rate of 10 lakh of rupees
in one second?
(MLNR 1990)​

Answer 1

Answer:

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Answer 2

Answer:

Avogadro's number = 6.023 x 1023

If we spend Rs. 10,00,000 in 1 sec,

then Rs. 6.023 x 1023 will be spent in  (6.023 x 1023/ 10,00,000) =  6.023 x 1017sec. 

6.023 x 1017sec. = 6.023 x 1017 / (60x60x24x365) = 1.909 x 1010 years.

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