Question

A student is to find the focal length of a
[i] concave mirror,
[ii] convex lens by using a distant object.
He will observe that the screen is on the same side as the object

Answer 1

Answer:

we can find the approximate focal length by obtaining we can place concave mirror in front of distant object it will form the distance object at

screen that will at focus.s

same in case of convex mirror

but on the opposite side of lens.

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