1.

In viewing through a magnifying glass , one usually positions one' s eyes very close to the lens . Does angular magnification change if the eye is moved back?

Answer»

SOLUTION :Yes, there is a very small decrease in the angular MAGNIFICATION . Because , the angle subtended by the OBJECT at the EYE becomes somewhat less thanthe angle subtended at the lens . HOWEVER , if the object is at a large distance , then the decreases is negligible.


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