Optics Question 815
Question: Convex surface of thin concavo-convex lens of refractive index 1.5 is silvered as shown. A small object is kept in air at 30 cm left of the lens on its principal axis. The distance of the final image is
Options:
A) 20cm
B) 30cm
C) 10cm
D) 15cm
Show Answer
Answer:
Correct Answer: C
Solution:
[c] Power of combinations