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The mean radius of the earth's orbit rou...

The mean radius of the earth's orbit round the sun is `1.5xx10^(11)` . The mean radius of the orbit of mercury round the sun is `6xx10^(10)m`. The mercury will rotate around the sun in

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The correct Answer is:
`(2/5)^(3//2)` years
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Knowledge Check

  • The mean radius of the earth's orbit of mercury is 6xx10^(10)m . The mercury will revolve around the sun in nearly

    A
    `sqrt(2/5)` years
    B
    `215` years
    C
    `(2/5)^(2)` years
    D
    `(2/4)^(3//2)` years

  • The mean radius of the earth's orbit around the sun is 1.5 xx 10^(11)m and that of the orbit of mercury is 6 xx 10^(10)m . The mercury will revolve around the sun is nearly

    A
    `sqrt((2)/(5))yr`
    B
    `(2)/(5)yr`
    C
    `((2)/(5))^(2)yr`
    D
    `((2)/(5))^(3//2)yr`

  • The mean distance of sun from the earth is 1.5xx10^8km . The time taken by light to reach earth from the sun is

    A
    `0.12min`
    B
    `8.33min`
    C
    `12.5min`
    D
    `6.25min`

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    The radius of the earth's orbit around the sun is 1.5 xx 10^(11)m . Calculate the angular and linear velocity of the earth. Through how much angle does the earth revolve in 2 days?

    The time taken by the earth to complete one revolution around the sun is 3.156 xx 10^(7) s . The distance between the earth and the sun is 1.5 xx 10^(11) m. Find the speed of revolution of the earth.

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    If the mass of the sun is 2 xx 10^(30) kg , the distance of the earth from the sun is 1.5 xx 10^(11) m and period of revolution of the earth around the sun is one year ( = 365.3 days ) , calculate the value of gravitational constant .

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