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प्रश्न
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उत्तर
Three distinctions between light and sound waves are
(a). Light waves can travel through a vacuum while sound waves cannot.
(b). Light waves are transverse waves while sound waves are longitudinal waves.
(c). The velocity of light in air is 3 x 108 m/s while the speed of light in air is just about 330 m/s.
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संबंधित प्रश्न
State two uses of a plane mirror.
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?
State four uses of a plane mirror.
Find the odd one.
sun, candle, torch, pen
Differentiate between a reflection and a shadow
______ through which light can pass partially.
Total internal reflection will occur if the angle of reflection is ______.
The angle of incidence is equal to the angle of reflection for perfect reflection.
