Atoms And Nuclei Question 348

Question: A reactor converts 100% of given mass into energy and that it operates at a power of $ 9\times 10^{7} $ watt. The mass of the fuel consumed in 30 min in the reactor will be:

Options:

A) $ 12\times {{10}^{-3}}kg $

B) $ 25\times {{10}^{-8}}kg $

C) $ 18\times {{10}^{-7}}kg $

D) $ 11\times {{10}^{-4}}kg $

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Answer:

Correct Answer: C

Solution:

  • the reactor will conume $ \frac{9\times 10^{7}}{9\times 10^{16}}\times 1800kg $

$ =18\times {{10}^{-7}}kg $



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