Question

6.
A candle is held 100 cm away from a wall and a convex lens is placed between them. Two
distinctly different real images of the candle will be formed on the wall at two different
positions of the lens if the focal length of the lens is
(A) 25 cm
(B) less than 25 cm
(C) more than 25 cm
(D) 400 cm
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Answer 1

Answer:

400cm

Explanation:

appply the formlua then this will come