Two planets at mean distance ${d_1}$ and ${d_2}$ from the sun and their frequencies are $n_1$ and $ n_2$ respectively then
Two planets at mean distance ${d_1}$ and ${d_2}$ from the sun and their frequencies are $n_1$ and $ n_2$ respectively then
- A
$n_1^2d_1^2 = {n_2}d_2^2$
- B
$n_2^2d_2^3 = n_1^2d_1^3$
- C
${n_1}d_1^2 = {n_2}d_2^2$
- D
$n_1^2{d_1} = n_2^2{d_2}$
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