A mobile phone of width 5 cm and length 10 cm, is placed parallel to i – McqOptions

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1.	A mobile phone of width 5 cm and length 10 cm, is placed parallel to its lengths, such that one of its lengths is along the principal axis of a concave mirror of focal length 30 cm. The far point of its length is at the centre of curvature of the mirror. The width of the image will be
A.	5 cm
B.	varies from 5 to 7.5 cm
C.	cannot be found
D.	varies from 7.5 to 9 cm
Answer» C. cannot be found

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