Question: Someone is looking from above the liquid surface at an angle of 38 with the normal angle downwards into a tank of 3.7 m

Someone is looking from above the liquid surface at an angle of 38 ° with the normal angle downwards into a tank of 3.7 m depth with horizontal bottom and filled with a transparent liquid. How deep does the tank appear to this observer?

The relative refractive index of the fluid to air is 1.40.

Select the correct answer from the following list:

a) 20.1 dm

b) 26.6 dm

c) 2.31 m

d) 1.45 m

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To determine how deep the tank appears to the observer we need to use the concept of refraction When light passes from a medium of one refractive inde... View full answer

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