A student has to do the experiment on finding the focal length of a given concave mirror by using a distant object. Out of the following 'set-ups' A,B,C and D available to him: A : a screen, a mirror holder and a scale B : a mirror holder, a screen holder and a scale C : a screen holder and a scale D : a mirror holder and a scale The 'set-up' which is likely to give him the best result is :

A student has to do the experiment on finding the focal length of a gi

1.	A student has to do the experiment on finding the focal length of a given concave mirror by using a distant object. Out of the following 'set-ups' A,B,C and D available to him: A : a screen, a mirror holder and a scale B : a mirror holder, a screen holder and a scale C : a screen holder and a scale D : a mirror holder and a scale The 'set-up' which is likely to give him the best result is :
Answer» A B C D Solution :NA