Home
Class 12
PHYSICS
Statement-1 : If earth shrink (without c...

Statement-1 : If earth shrink (without change in mass) to half of its present size, length of the day would become 6 hours.
Statement-2 : When the size of the earth will change, its moment of inertia will also change.

A

Statement -1 is true , Statement -2 is True , Statement -2 is a correct explanation for Statement-1.

B

Statement-1 is True , Statement -2 is True , Statement-2 is NOT a correct explanation for statement-1.

C

Statement-1 is False, Statement - 2 is True.

D

Statement - 1 is True , Statement -2 is False.

Text Solution

Verified by Experts

Doubtnut Promotions Banner Mobile Dark
|

Similar Questions

Explore conceptually related problems

If radius of the earth is doubled without change in its mass, what will be the length of the day?

If earth contracts to half of its present radius what would be the length of the day at equator ?

Knowledge Check

  • If earth shrink (without change in mass) to half it's present size. Length of the day would become 6 hours. As size of earth changes its moment of inertia changes.

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

  • If the earth suddenly shrinks (without changing mass) to half of its present radius, the acceleration due to gravity will be

    A
    `g//2`
    B
    `4 g`
    C
    `g//4`
    D
    `2g`

  • If the earth suddenly shrinks (without changing mass) to half of its present radius, then acceleration due to gravity will be

    A
    `g//2`
    B
    `4g`
    C
    `g//4`
    D
    `2g`

    • Similar Questions

    Explore conceptually related problems

    If earth were to shrink to (1)/(8)th of its present volume, what would be the new length of the day in hour ?

    If the earth is one half its present distance from the sun. How many days will be presents one year on the surface of earth will change?

    If the earth suddenly shrinks (without changing and half of its present radius , the acceleration due to gravity be

    If radus of earth shrinks by 0.1% without change in its mass, the percentage change in the duration of one day

    Statement-I: If the earth expands in size without any change in mas, the length of the day would increase. statement-II: The rotation of earth about its axis follows the law of conservation of angular momentum.

    Home
    Profile