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If the distance of earth form the sun we...

If the distance of earth form the sun were half the present value, how many days will make one year?

Text Solution

Verified by Experts

The correct Answer is:
129 days
Hint : Use `T^(2)prop R^(3)` i.e., Kepler's third law.
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Knowledge Check

  • If the distance between the earth and the sun were half its present value, the number of days in a year would have been

    A
    64.5
    B
    129
    C
    182.5
    D
    730

  • Consider the following statements and choose the correct option I. If the distance between the earth and the sun was half its present value, the number of days in a year would be 129. II. According to Kepler's law of period T^3 prop r^3

    A
    Statement I is true
    B
    Statement II is true
    C
    Both statements I and II are true
    D
    None is true

  • Assertion : If the distance of the earth from the Sun becomes one half of the present distance, then the number of days in one year on earth will become 236. Reason : Earth revolves around the sun in an elliptical orbit.

    A
    If both assertion and reason are correct and reason is a correct explanation of the assertion.
    B
    If both assertion and reason are correct but reason is not the correct explanation of assertion.
    C
    If assertion is correct but reason is incorrect.
    D
    If assertion is incorrect but reason is correct.

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    One revolution of a given planet around the sun is 1000 days. If the distance between the planet and the sun is made (1)/(4) th of original value, then how many days will make one year?

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