Question

An air bubble in water will act like a A) convex lens B) convex mirror C) concave lens D) concave mirror

Answer 1

Answer:

C) concave lens

Explanation:

The lens which have atleast one inward curved surface is a concave lens. Concave ens is a diverging lens as it spreads out light rays that have been refracted through it.

A concave lens is thinner at its centre than at its edges.

Answer 2

Explanation:

Inside water, the air bubble behaves like a Concave lens. The concave lenses are known as diverging lenses as the rays diverge after falling on the concave lens. The air bubble is a sphere with a convex surface and when light reaches it, the light is reflected within the water as in a concave lens.

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