A concave mirror gives an image three times as large as the object pla – McqOptions

MCQOPTIONS

1.	A concave mirror gives an image three times as large as the object placed at a distance of \[20cm\] from it. For the image to be real, the focal length should be [SCRA 1998; JIPMER 2000]
A.	\[10cm\]
B.	\[15cm\]
C.	\[20cm\]
D.	\[30cm\]
Answer» C. \[20cm\]

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