Question

13. An object is placed in front of a convex lens of focal length 50 cm and con-
cave lens as shown below. Find the focal length of concave lens if the image
on the convex lens is formed at 80 cm from it.
f 30 cm >
123.3->



(a) 15 cm
(c) 45 cm
(b) 30 cm
(d) 60 cm​

Answer 1

Answer:

A 15 CM = ❌

B 45 CM =❌

C 30 CM =✔

D 60 CM =❌

Step-by-step explanation:

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Answer 2

Hey mate

Here is your answer -

30 cm