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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 scaleB : a mirror holder, a screen holder and a scaleC : a screen holder and a scaleD : a mirror holder and a scaleThe 'set-up' which is likely to give him the best result is :(1) A(2) B(3) C(4) D |
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Answer» 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 : (1) A (2) B (3) C (4) D |
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