Q.
An object is placed 12 cm to the left of a converging lens of focal length 8 cm. Another converging lens of 6 cm focal length is placed at a distance of 30 cm to the right of the first lens. The second lens will produce
1640
225
KCETKCET 2002Ray Optics and Optical Instruments
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Solution:
For lens (1)f1=v1−u1⇒(+8)1=v1−(−12)1 ⇒v=24cm