When light rays from the sun fall on a convex lens along a direct… - Vidyadip

MCQ

When light rays from the sun fall on a convex lens along a direction parallel to its axis

A
Focal length for all colours is the same
✓
Focal length for violet colour is the shortest
C
Focal length for yellow colour is the longest
D
Focal length for red colour is the shortest

✓

Answer

Correct option: B.

Focal length for violet colour is the shortest

Focal length for violet colour is the shortest

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