Question

14 Four students A, B, C and D performed the experiment to determine the focal length of a

concave mirror by obtaining the image of a distant tree on a screen. They measured the

distances between the screen and the mirror as shown in the diagrams given below: The​

Answer 1

Answer:

Four students A, B, C and D performed the experiment to determine the focal length of a concave mirror by obtaining the image of a distant tree on a screen. They measured the distances between the screen and the mirror as shown in the diagrams given below :

The correct value for focal length will be obtained by the student :

A

B

C

D

Correct Answer: Option(c