## Question

### Solution

Correct option is

40 cm

Putting u = –12 cm and f = +20 cm in the lens formula gives

v = –30 cm, i.e., the image is formed at a distance of 30 cm from the lens on the same side as the object. The distance of this image from the mirror = 30 + 10 = 40 cm. Therefore, the final image is formed behind the mirror at a distance of 40 cm from it.

#### SIMILAR QUESTIONS

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