Optical Instruments

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What is a lens?

A lens is a curved piece of transparent material that refracts light to form an image.

How do concave mirrors work?

Concave mirrors converge light to a focal point, allowing them to form real, inverted images.

What are convex mirrors used for?

Convex mirrors diverge light rays and are used for wide-angle viewing.

What is a prism?

A prism is a transparent optical element that refracts light, often dispersing it into its constituent colors.

How does a telescope work?

A telescope gathers and magnifies light, allowing distant objects to be observed.

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