Question

1. Why is it difficult to shoot a fish swimming in water? (AS)
2. Explain why a test tube immersed at a​

Answer 1

Answer:

1.) It is difficult to shoot a fish swimming in water because due to the refraction at water and air interface, the fish appears to be raised, and seems to be close to the surface this is called 'apparent depth'. The shooter aims the gun at apparent position of the fish, instead of real position

2.) When a test tube is immersed in water at a certain angle it appears to have a mirror-like surface. That is due to refraction of light from the medium of air to the medium of water and then hitting the surface of the glass test tube as it's medium is glass the light undergoes reflection internally.

Explanation:

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