A convex mirror is used to form a virtual image of an object placed at 24 cm from the mirror. The image size is found to be half the size of the object. The focal distance of this mirror is then:

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B6
A convex mirror is used to form a virtual image of an object placed at 24 cm from
the mirror. The image size is found to be half the size of the object. The focal
distance of this mirror is then:
O f = -12 cm
O f = -6 cm
O f= -48 cm
O f= -3 cm
O f= -24 cm
Transcribed Image Text:A convex mirror is used to form a virtual image of an object placed at 24 cm from the mirror. The image size is found to be half the size of the object. The focal distance of this mirror is then: O f = -12 cm O f = -6 cm O f= -48 cm O f= -3 cm O f= -24 cm
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