Question

Write the experimental procedure to find out focal point of a concave mirror.​

Answer 1

1. Drag the screen by clicking on point A of the screen till you get a sharp image of the object.
2. Measure the distance between the concave mirror and the screen with given metre scale. This measured distance is focal length of concave mirror.
3. Repeat the process two or three times.

Answer 2

As performed in the simulator

1. Drag the screen by clicking on point A of the screen till you get a sharp image of the object.
2. Measure the distance between the concave mirror and the screen with given metre scale. This measured distance is focal length of concave mirror.
3. Repeat the process two or three times.