HARD
10th CBSE
IMPORTANT
Earn 100

To obtain a magnification of with a concave mirror of radius of curvature the object distance must be

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Important Questions on Light - Reflection and Refraction
MEDIUM
10th CBSE
IMPORTANT
In torch lights and head lights of vehicles, the bulb is placed

MEDIUM
10th CBSE
IMPORTANT
The change in the focal length of an eye lens in human beings are caused by the action of
