In Myopia object distance is infinity and image distance is equal to far point= D. Find focal length and which lens is used?
Answers
Answered by
20
object is at infinity. As image is at far point i.e. distance of distinct vision. Focal length of given lens is -25 cm. As f is negative, the lens used is concave lens.
Similar questions
English,
5 months ago
Geography,
5 months ago
Accountancy,
5 months ago
Geography,
11 months ago
Math,
11 months ago
CBSE BOARD XII,
1 year ago