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Suppose the gravitational force varies inversely as the nth power of distance the time period of planet in circular orbit of radius R around the sun will be proportional to

  1. R to the power of open parentheses fraction numerator straight capital delta plus 1 over denominator 2 end fraction close parentheses end exponent
  2. p open parentheses fraction numerator negative 1 over denominator 2 end fraction close parentheses
  3. Rn
  4. R to the power of open parentheses fraction numerator a minus 1 over denominator 2 end fraction close parentheses end exponent

The correct answer is: R to the power of open parentheses fraction numerator straight capital delta plus 1 over denominator 2 end fraction close parentheses end exponent

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