Question

A coin kept in a bowl is not visible when seen form one side. But, when water is poured in the bowl, the coin becomes visible.

please give me correct answer.​

Answer 1

Explanation:

When the bowl is empty ,the rays of light coming from the coin is not visioble when seen from on eside of the bowl. When water is poured in the bowl, the rays of light coming from the coin travel from water (denser medim ) to air (rarer medium). Hence , they bend away from the normal on refraction.

Answer 2

Answer:

when the Bowl was empty then the one side of coin not seen because the light rays not passing through it and the medium is also not change.When we added the waters in the empty bowl the light rays started passing in it and the medium is changing from rarer to densor.