To determine the focal length of a concave mirror by forming image of – McqOptions

MCQOPTIONS

1.	To determine the focal length of a concave mirror by forming image of a distant object, thescreen should be placed
A.	in any direction
B.	inclined at an angle of 45
C.	at right angle to the plane of the mirror
D.	Parallel to the plane of mirror
Answer» E.

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