Distance between an object and three... | Ray Optics | JEE Main

JEE MAIN 2026

24-1-2026 S2

Question

Distance between an object and three times magnified real image is 40 cm. The focal length of the mirror used is _____cm.

Select the correct option:

A

–15 / 2

B

-10

C

-20

D

-15

✓ Correct! Well done.

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Solution

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Physics

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