Physics, asked by syamala69, 8 months ago

5. When convex lens of focal length 20 cm is placed in a liquid whose
optical density is equal to the lens then the focal length of that lens
will be
A) 20 cm
B) less than 20 cm
C) infinity
D) 40 cm

Answers

Answered by aashisingh2506

2

Answer:

Option 3 is correct as per my observation...hope it would be correct in your view...

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