Physics, asked by Ananya8538, 3 months ago

what is refraction by a lens???

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Answered by XxItzhearthakkerxX

Answer:

Lenses serve to refract light at each boundary. As a ray of light enters a lens, it is refracted; and as the same ray of light exits the lens, it is refracted again. The net effect of the refraction of light at these two boundaries is that the light ray has changed directions.

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