Question

explain why a test tube emerged at a certain angle in tabla of water appears to have a mirror surface for certain view position​

Answer 1

Answer:

When rays of light travel through water strikes the water glass interface of test tube at an angle which is more than critical angle for water. Then the light ray suffers total internal reflection. ... When these totally reflected rays reach the eye, then they appear to come from surface of test tube.

Answer 2

Answer:

hope its helpful

Explanation:

pls mark me as brain list.

here is your answer:::

When rays of light travel through water strikes the water glass interface of test tube at an angle which is more than critical angle for water. Then the light ray suffers total internal reflection... When these totally reflected rays reach the eye, then they appear to come from surface of test tube.