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A biconvex lens of focal length 15 cm is...

A biconvex lens of focal length 15 cm is in front of a plane mirror.The distnace betweent the lens and the mirror is 10 cm.A small object is kept at a distance of 30 cm from the lens .The final image is

A

virtual and at a distance of 16 cm from the mirror

B

real and at a distance of 16 cm from the mirror

C

virtual and at a distance of 20 cm from the mirror

D

real and a distance of 16 cm from the mirror.

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