Question

In the situation shown in the figure, three lenses of focal lengths
20 cm, 30 cm and 36 cm are held coaxial such that separation between first
and second lens is 12 cm and between second and third lens is 10 cm. If the
final image of an object at a distance of 30 cm from first lens is at a distance
102 cm from the middle lens, then find the value of a.
o
o lo
30 cm
12 cm
10 cm​

Answer 1

Answer:

don't know this answer sorry

Answer 2

Step-by-step explanation:

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