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प्रश्न
A ray of light passes from medium 1 to medium 2. Which of the following quantities of the refracted ray will differ from that of the incident ray: Speed, intensity, frequency, wavelength?
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उत्तर
A light beam that travels from medium (1) to medium (2) will be refracted differently from the incident ray in speed, intensity and wavelength.
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संबंधित प्रश्न
What is meant by 'reflection of light'?
An object is placed 20 cm in front of a plane mirror. The mirror is moved 2 cm towards the object. The distance between the positions of the positions of the original and final images seen in the mirror is ______.
A ray of light passes from air into a block of glass. Does it bend towards the normal or away from it?
Why does a ray of light bend when it travels from one medium to another?
When a ray of light travelling in glass enters into water obliquely:
(a) it is refracted towards the normal
(b) it is not refracted at all
(c) it goes along the normal
(d) it is refracted away from the normal
Light travels at a lower speed in water than in air.
What do you understand by refraction of light?
Numerical problems.
The speed of light in water is 2.25 × 108 ms–1. If the speed of light in vacuum is 3 × 108 ms–1, calculate the refractive index of water.
The refractive index of a transparent medium is always greater than ______.
What is refractive index?
