The value of the focal length of the lens is equal to the value of the image
distance when the rays are?
A) passing through the optic centre
B) Parallel to the principal axis
C) passing through the focus
D) In all the cases
Answers
Answered by
2
Answer:
C) is the right ans!!
Explanation:
Thus, in this case, the image is formed at the focus of the lens and hence the value of image distance is equal to the focal length of the lens.
Answered by
0
Answer:
the answer is option D.
in my exam I answered option C but its not right
Explanation:
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