Question

Rohit placed a pencil perpendicular to principal axis in front of a converging mirror of focal length 30 cm. The image formed is twice the size of the pencil. Calculate the distance of the object from the mirror.

(a) -45 cm ,-15 cm

(b) -30 cm

(c) 45cm , -15 cm

(d) 15 cm .-45cm​

Answer 1

Answer:

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