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An infinitely long rod lies along the axis of concave mirror of focal length  The near end of the rod is at a distance  from the mirror. Then the length of the image of the rod is

a)

b)

c)

d)



Question ID - 152503 | SaraNextGen Top Answer

An infinitely long rod lies along the axis of concave mirror of focal length  The near end of the rod is at a distance  from the mirror. Then the length of the image of the rod is

a)

b)

c)

d)

1 Answer
127 votes
Answer Key / Explanation : (d) -

(d)

 and

Using above relation, the length of image

127 votes


127