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Light does not need a medium to travel through as it is an electromagnetic wave.
Light waves can only be reflected, not refracted or diffracted.
The effects caused by diffraction of light waves are small due to their short wavelength.
The image in a plane mirror is laterally inverted.
The image in a plane mirror is formed in front of the mirror.
A virtual image can be projected onto a screen.
The angle of incidence is equal to the angle of reflection.
The normal line is drawn at an angle of 45° to the surface of the mirror.
The image in a plane mirror is the same size as the object.
An image formed by a plane mirror is real and can be formed on the surface of the mirror.