A point object is placed at a distance of 20 cm from a convex mirror of focal length 20 cm. The image will form at:
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A point object is placed at a distance of 20 cm from a convex mirror of focal length 20 cm. The image will form at:
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GIVEN:
TO FIND:
Image distance, v
FORMULA:
According to mirror formula,
SOLUTION:
ANSWER:
Image distance is infinity.
Image is formed at infinite distance.
IMPORTANT POINTS:
SHORT TRICK: