The figure below shows a ray of light incident on a water-air interface from a source 8m deep. i) Ray A is observed to bend as...

The figure below shows a ray of light incident on a water-air interface from a source 8m deep.

i) Ray A is observed to bend as it enters the air. Give a reason why this occurs
ii) If the refractive index of water is 1.35, calculate the angle of refraction of ray A
iii) Find the critical angle of water
iv) Give a reason why ray B is not travelling out of water
v) A fish is placed at the source of light ray. Calculate the maximum area of view on the surface of water

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i)there is change in optical density of medium
change in velocity of light as it moves from water to air

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Kavungya answered the question on May 31, 2019 at 11:54

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