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प्रश्न
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उत्तर
Four characteristics of light are:-
(a). Light waves can travel through a vacuum
(b). Light waves are transverse waves
(c). The wavelength of light waves is short so that their length is measured in cents-microns.
(d). The velocity of light in a vacuum is 3 x 108 m/s.
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संबंधित प्रश्न
The perpendicular to the mirror at the point of incidence is called ______.
Draw a figure describing the following.
The reflecting surface of two mirrors make an angle of 90∘ with each other. If a ray incident of one mirror has an angle of incidents of 30∘, draw the ray reflected from the second mirror. What will be its angle of reflection?
Draw a neat two ray diagram to illustrate how a concave mirror is used as a shaving mirror.
Complete the path of incident ray in the following case.
An object that blocks all of the light from passing through is ______.
______ through which light can pass partially.
Part of the eye which controls the light entering is called
The angle of incidence is equal to the angle of reflection for perfect reflection.
