1.A diver shines a flashlight upward from beneath the water (n = 1.33) at a 35.7...

Question

Question

1.A diver shines a flashlight upward from beneath the water (n = 1.33) at a 35.7 ∘ angle to the vertical.

At what angle does the light leave the water?

2.A flashlight beam strikes the surface of a pane of glass (n = 1.56) at a 67 ∘ angle to the normal

What is the angle of refraction

3.The critical angle for a certain liquid-air surface is 47.5 ∘

What is the index of refraction of the liquid?

n=

4.A certain lens focuses light from an object 1.15 m away as an image 44.8 cm on the other side of the lens.

What is its focal length? Follow the sign conventions. F=

science physics

Answer 1

Answer #1

Answer 2

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