1.

If the change in the value of 'g atthe surface of the earth is same as at a depth xbelow it, then (x and h being much smaller thanthe radius of the earth)(1) x = h(2) x=2h(3)x = 2(4) x=h2

Answer»

Gravity changes at height h and under ground x.As g = GM/R2When R changes then g also changes.Now gh= g(1-2h/R)and gx= g(1-x/R)When ghand gxare same then gh =gxor g(1-2h/R)​ =g(1-x/R)​So 2h/R=x/R​So 2h = x



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