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The time period of one revolution of the...

The time period of one revolution of the Sun around the centre of the galaxy is called

A

sidereal year

B

astronomical year

C

cosmic year

D

light year

Text Solution

Verified by Experts

The correct Answer is:
C
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Knowledge Check

  • Time period of revolution of poalr satellite is aroung

    A
    6 minutes
    B
    100 minutes
    C
    8 hours
    D
    24 hours

  • A planet is revolving around the sun. its distance from the sun at apogee is r_(A) and that at perigee is r_(p) . The masses of planet and sun are 'm' and M respectively, V_(A) is the velocity of planet at apogee and V_(P) is at perigee respectively and T is the time period of revolution of planet around the sun, then identify the wrong answer.

    A
    `T^(2)=(pi^(2))/(Gm)(r_(A)+r_(P))^(3)`
    B
    `T^(2)=(pi^(2))/(2GM)(r_(A)+r_(p))^(3)`
    C
    `v_(A)r_(A)=v_(P)r_(P)`
    D
    `v_(A)ltv_(P), r_(A)gtr_(p)`

  • Calculate the period of revolution of the neptune around the sun, given that diameter of its orbit is 30 times the diameter of the earth's orbit around the sun. Assume both the orbits to he circular.

    A
    165 yr
    B
    163.4 yr
    C
    154.3 yr
    D
    164.3 yr

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