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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.
fig983152019249.png
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

  

Answers


Kavungya
i)there is change in optical density of medium
change in velocity of light as it moves from water to air
fig993152019253.png
Kavungya answered the question on May 31, 2019 at 11:54


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