The figure below shows a transparent water tank containing water. An electric lamp surrounded by a shield with a narrow slit of fixed at corner...

      

The figure below shows a transparent water tank containing water. An electric lamp surrounded by a shield with a narrow slit of fixed at corner A of the tank. A light ray from the slit shines on the water surface BC, at an angle of 48o as shown.
fig153102019924.png
a)Determine the angle of refraction for the ray shown.
b)Complete the ray diagram to show the refracted ray.
c)Determine the angle of incidence for which the angle of refraction is 90o.
d)Calculate the speed of light in water.

  

Answers


Kavungya
fig163102019925.png
Kavungya answered the question on October 3, 2019 at 06:25


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