The image of a needle placed 10 cm from a lens is formed on a wall 20 cm on the other side of the lens. Find the focal length of the lens and size of image formed, if the size of the object needle is 2.5 cm.
Answers
Answered by
3
Explanation:
bro image real or virtual and which lenses is used
Similar questions
Chemistry,
3 months ago
English,
3 months ago
Biology,
6 months ago
Math,
10 months ago
Social Sciences,
10 months ago