A converging lens of focal length f is placed in contact with a diverging lens of focal length 3f. The combination is

A diverging lens of focal length 3f/2

A converging lens of focal length 2f

A diverging lens of focal length 3f

A converging lens of focal length 3f/2

A converging lens of focal length f is placed in contact with a diverg

1.	A converging lens of focal length f is placed in contact with a diverging lens of focal length 3f. The combination is
A.	A diverging lens of focal length 3f/2
B.	A converging lens of focal length 2f
C.	A diverging lens of focal length 3f
D.	A converging lens of focal length 3f/2
Answer» E.

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A converging lens of focal length f is placed in contact with a diverging lens of focal length 3f. The combination is

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