The escape velocity of a body from the earth is . If the radius of earth contracts to 1/4th of its value, keeping the mass of the earth constant, the escape velocity will be |
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a) |
Doubled |
b) |
Halved |
c) |
Tripled |
d) |
Unaltered |
The escape velocity of a body from the earth is . If the radius of earth contracts to 1/4th of its value, keeping the mass of the earth constant, the escape velocity will be |
|||||||
a) |
Doubled |
b) |
Halved |
c) |
Tripled |
d) |
Unaltered |