First slide

Energy released in nuclear reactions -Q-value

Question

If the speed of light were 2/3 of its present value. the energy released in a given atomic explosion will be decreased by a fraction

Moderate

A

⅔
B

4/9
C

¾
D

5/9

Solution

$\begin{array}{l} Energy \propto C^{2}; \\ ∴ Decrease in energy \propto \frac{4}{9} \end{array}$

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