Effects of Refraction

Author:R P Goyal & S S Shome
8th ICSE
IMPORTANT

Important Questions on Effects of Refraction

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IMPORTANT
Concise Physics Middle School for Class 8>Light Energy>Effects of Refraction> Q 1

Explain why a straight stick partly dipped in water obliquely, appears to be bent at the surface of the water.

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Concise Physics Middle School for Class 8>Light Energy>Effects of Refraction> Q 2

Draw a ray diagram to show that the depth of a vessel containing water when seen from above, appears to be less than its real depth.

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Concise Physics Middle School for Class 8>Light Energy>Effects of Refraction> Q 3

When a ray of light travels from air to glass, it bends _____(towards/away from) the normal.

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Concise Physics Middle School for Class 8>Light Energy>Effects of Refraction> Q 4

When a ray of light travels from water to air, it bends _____(towards/away from) the normal.

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Concise Physics Middle School for Class 8>Light Energy>Effects of Refraction> Q 5

The depth of a pond when seen from above appears to be less.

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Concise Physics Middle School for Class 8>Light Energy>Effects of Refraction> Q 6

Explain why a coin placed at the bottom of a vessel appears to be raised when water is poured in the vessel.