MEDIUM
8th CBSE
IMPORTANT
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Which of the following figures correctly represents the passage of white light through a glass prism?

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Important Questions on Refraction and Dispersion of Light

MEDIUM
8th CBSE
IMPORTANT

An incident ray, passing through the optical centre of a concave lens, after refraction through it, will _____.

HARD
8th CBSE
IMPORTANT

When an object approaches a convex lens, from infinity towards its focus, the image formed by it _____.

MEDIUM
8th CBSE
IMPORTANT

Tanya's grandmother needs a lens to read small letters in her book. For this she should use_____.

MEDIUM
8th CBSE
IMPORTANT

Light propagates faster through a Medium A than through another Medium B. Which of the two media has a higher optical density?

MEDIUM
8th CBSE
IMPORTANT

Light propagates faster through a medium A than through another medium B. State the condition under which no change in the direction of propagation of a light ray would take place when it passes from Medium A to Medium B.

MEDIUM
8th CBSE
IMPORTANT

Why does a pencil appear bent when it is partially  dipped in water?

MEDIUM
8th CBSE
IMPORTANT

Trace the path of rays in the following ray diagrams.

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MEDIUM
8th CBSE
IMPORTANT

What kind of lens would form an inverted and magnified image of the object?