How can light refraction be used?
principle of refraction is used in telescope lenses and mirrors.micro scopes.Car mirrors etc.
Light bends when passing to different media.This principle is used in telescope lenses.mirrors
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Light refraction can be used in lenses to focus light, correct vision, and in optical instruments such as microscopes and telescopes. It is also applied in prisms for spectrum analysis and in fiber optics for communication.
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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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