Question

Why does a ray of light bend when it travels from one medium in to another medium?

Identify the nature of mirror and mention two characteristics of image formed when magnification

m = +6.

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Answer 1

A ray of light bend when it travels from one medium to another because of refraction. refraction depends on the wavelength of light ray entering the medium and the angle at which light rays enter.

When magnification = +6,inage formed will be erect as + indicates that the image is erect and 6 indicates that the image formed is 6times larger than the object.

The erect and enlarge image is formed by concave mirror......

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