MIRRORS AND LENSES PAGE 59 OF INB EQ Why is distance important when discussing mirrors and lenses?

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Presentation transcript:

MIRRORS AND LENSES PAGE 59 OF INB

EQ Why is distance important when discussing mirrors and lenses?

MIRRORS mirror a reflecting surface that forms an image by regular reflection. mirror The image formed by a mirror depends on the shape of the mirror’s surface.

A plane mirror has a flat reflecting surface. The image looks like a photograph except that it is reversed left to right. The size of the image depends on how far the object is from the mirror. The image gets smaller as the object gets farther away.

Concave mirrors are reflecting surfaces that are curved inward. Light rays are reflected through the focal point. A convex mirror has a reflecting surface that is curved outward.

Outside the focal point the image is upside down

A lens is a transparent object with at least one curved side that causes light to change direction.lens A convex lens is curved outward on at least one side, thicker in the middle. A concave lens is curved inward on at least one side and thicker at the edges.