SATHEE: Atoms And Nuclei Question 353

Atoms And Nuclei Question 353

Question: Imagine that a reactor converts all given mass into energy and that it operates at a power level of 109 watt. The mass of the fuel consumed per hour in the reactor will be : (velocity of light, c is $3 \times 10^{8} m / s$ )

Options:

A) $0.96 g m$

B) $0.8 g m,$

C) $4 \times 10^{- 2} g m$

D) $6.6 \times 10^{- 5} g m$

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Answer:

Correct Answer: C

Solution:

Power level of reactor, $P = \frac{E}{Δ t} = \frac{Δ m c^{2}}{Δ t}$ mass of the fuel consumed per hour in the reactor, $\frac{Δ m}{Δ t} = \frac{P}{c^{2}} = \frac{10^{9}}{{(3 \times 10^{8})}^{2}} k g / \sec = \frac{3600 \times 10^{9}}{9 \times 10^{16}}$ $\times 10^{3} \frac{g m}{h r}$

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Atoms And Nuclei Question 353

Question: Imagine that a reactor converts all given mass into energy and that it operates at a power level of 109 watt. The mass of the fuel consumed per hour in the reactor will be : (velocity of light, c is 3×108m/s )

Options:

Answer:

Solution:

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Question: Imagine that a reactor converts all given mass into energy and that it operates at a power level of 109 watt. The mass of the fuel consumed per hour in the reactor will be : (velocity of light, c is $3 \times 10^{8} m / s$ )