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

Answer 1

Answer:

Solution

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Correct option is

C

4×10

−2

gm

Energy converted in one hour = p×t

=10

9

×3600sec

=36×10

11

J

Mass of fuel consumed in one hour is

M=

c

2

E

M=

(3×10

8

)

2

36×10

11

M=4×10

−5

kg=4×10

−2

gm

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