Question

A double convex air bubble in water will act as

• A. convex lens
• B. concave mirror
• C. convex mirror
• D. concave lens

Answer 1

The correct option is D

concave lens

Explanation

1. The air bubble is surrounded by a denser medium i.e. water.
2. Thus, its nature will get reversed.
3. The convex air bubble will behave as a concave lens.
4. Thus, it will diverge light rays.

So, the correct option is (D).