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What happens to parallel light rays that strike a concave lens?

A.
They diverge on refraction.
B.
They converge beyond the focal point on the other side of the lens.
C.
They converge at the focal point on the other side of the lens.
D.
They partially converge and partially diverge.


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2 Answers

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Final answer:

Parallel light rays that strike a concave (diverging) lens diverge after refraction and appear to originate from the lens's focal point, which is virtual and on the same side as the incoming rays.

Step-by-step explanation:

When parallel light rays strike a concave lens, which is also known as a diverging lens, they are caused to spread out, or diverge. The lens shape and the law of refraction work together so that the diverging rays appear to originate from the focal point on the same side of the lens as the incoming rays. This focal point is virtual and cannot be projected onto a screen. The focal length of a concave lens is defined to be negative, indicating the direction of the divergence relative to the lens. Hence, the correct answer to the question is that they diverge on refraction.

User Wawa
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5.6k points
4 votes

Answer:

They diverge on refraction

Step-by-step explanation:

When parallel light rays strike a concave lens, they will diverge that is they spread out .

Concave lens is also known as diverging lens, which means that when parallel rays of light strike on it, the lens spreads out the light rays ( that is it diverges the rays of light) that are refracted through it.

At the middle of concave lens is thinner.

When light is passes through the lens they diverge it or spread out.

The concave lens causes light rays to bend away or diverge from its axis since the concave lens is a diverging lens.

User Kumar KS
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5.0k points