SATHEE: Atoms And Nuclei Question 255

Atoms And Nuclei Question 255

Question: In a nuclear reactor, the fuel is consumed at the rate of 1 mg/s. The power generated in kilowatt is [DCE 2003]

Options:

A) $9 \times 10^{4}$

B) $9 \times 10^{7}$

C) $9 \times 10^{8}$

D) $9 \times 10^{12}$

Show Answer

Answer:

Correct Answer: B

Solution:

Power $P = \frac{E n e r g y}{t i m e} = \frac{m c^{2}}{t},$ = 1 ´ 10?6´ (3 ´ 108)2 = 9 ´ 1010 W = 9 ´ 107 kW.

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