Question

Radius of curvature of concave mirror is 40cm and the size of image is twice as that of object, then the object

distance is -

(A) 60cm (B) 20cm (C) 40cm (D) 50cm​

Answer 1

Answer:

your answer is 40 cm

Explanation:

Radius of concave mirror is 40 cm and the size of image (real) is twice as that of object, then the object distance is:

Answer 2

Answer:

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Your answer is 40cm.