Atoms And Nuclei Question 198

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 [Kerala PET 2002]

Options:

A) 2/3

B) 4/9

C) 3/4

D) 5/9

Show Answer

Answer:

Correct Answer: B

Solution:

Energy $ \propto c^{2} $ ;
$ \therefore $ Decrease in energy $ \propto \frac{4}{9} $ .



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