Question

(i) A girl was playing with a thin beam of light from a laser torch by directing it from different directions
on a convex lens held vertically. She was surprised to see that in a particular direction, the beam of
light continues to move along the same direction after passing through the lens. State the reason
for her observation. Draw a ray diagram to support your answer.
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Answer 1

Answer:

A girl was playing with a thin beam of light from a laser torch by directing it from different directions on a convex lens held vertically. She was surprised to see that in a particular direction, the beam of light continues to move along the same direction after passing through the lens.

Explanation:

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Answer 2

Answer:

Explanation:

the reason of her observation was as the light passed through the optic centre.