Question

what does happen to the value of g if earth stop rotating about its axis

Answer 1

I suppose it would become greater since we would no longer have the tangential acceleration of the earth trying to throw us into space. Everything would feel heavier.

Answer 2

Only our accurate weighing instruments would notice the difference. They would be most affected at the equator.
There, it would increase by approx. 0.4%

Answer 3

thanks
if a light ray travel from denser medium then now does its frequency, wavelength,& speed change

Answer 4

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