For a concave mirror of focal length 10 cm, an object placed at 20 cm gives an image at:

1. A 10 cm (same side)
2. B 20 cm (same side) Correct answer
3. C 20 cm (opposite side)
4. D infinity

Solution

Object at $2f$ ⇒ image at $2f$ on same side, real, inverted, same size.

About this question

Subject: Physics · Chapter: Optics · Topic: Reflection and Mirrors

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