monika has to determine the focal length of a concave mirror and a convex lens of focal length of about 15cm each. She uses a distant tree as the object and obtains a sharp image of the tree, one by one, on a screen. If l1 and l2 are the distances between the mirror/ lens and the screen in the two cases, then calculate l2 and l1. Also, state the nature of their respective images obtained on the screen
Answers
Answered by
1
sorry i don't know this answer
Similar questions