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Question: If the radius of earth contracts to half of its present value,the length of the day value=? a)48 hrs b)24 hrs c)12 hrs d)6 hrs. Answer: Conserving momentum L = I I 1 1 = I 2 2 4 1 = 2 Time period Since T 1 = 24 Hrs
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Physics questions of 12 th standard
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Question:If the radius of earth contracts to half of its present value,the length of the day value=?a)48 hrsb)24 hrsc)12 hrsd)6 hrs.Answer: Conserving momentumL = II11 = I2 2
4 1 = 2
Time period Since T1 = 24 Hrs