Question

Select One Correct Option from the following: The size of the image of an object, which is at infinity, as formed by a convex lens of focal length 30 cm is 2 cm. If a concave lens of focal length 20 cm is placed between the convex lens and the image at a distance of 26 cm from the convex lens, calculate the new size of the image.
(A) 1.25 cm
(B) 2.5 cm
(C) 1.05 cm
(D) 2 cm.

Answer 1

c is the correct option.
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Answer 2

Select One Correct Option from the following: The size of the image of an object, which is at infinity, as formed by a convex lens of focal length 30 cm is 2 cm. If a concave lens of focal length 20 cm is placed between the convex lens and the image at a distance of 26 cm from the convex lens, calculate the new size of the image.

(A) 1.25 cm

(B) 2.5 cm

✴️ (C) 1.05 cm

(D) 2 cm.