Physics, asked by raniaqadir1, 7 months ago

25.A convex lens of focal length 20 cm, is used to form an erect image
be
from the lens.
f. 20cm
A. 20 cm
B. 5 cm
C. 10 cm
D. 30 cm
E. 40 cm​

Answers

Answered by varshiniHY
1

Explanation:

Focal length of convex lens is positive. We are given that image formed by convex lens is erect and twice as large as the object. It means we have to distance of object from the lens. Hence, the object is placed at 10 cm from the lens.

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