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  • The ratio of area covered by second orbit to the first orbit isOption: 1 <div clas

The ratio of area covered by second orbit to the first orbit is

Option: 1

1:2


Option: 2

1:16


Option: 3

8:1


Option: 4

16:1


Answers (1)

best_answer

As we have learnt,

A= \pi r^2

\therefore \frac{A_2}{A_1}= \frac{\pi r_2^2}{\pi r_1^2}= \frac{ r_2^2}{ r_1^2}

Now, we know that r \propto n^2

Thus, \frac{A_2}{A_1} = \frac{ r_2^2}{ r_1^2}= \frac{ n_2^4}{ n_1^4}= \frac{2^4}{1^4}= \frac{16}{1}

Posted by

Ajit Kumar Dubey

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