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प्रश्न
For which colour of white light the refractive index of a transparent medium the most? Give the reason for your answer.
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उत्तर
The refractive index of a transparent medium is least for the red light.
संबंधित प्रश्न
What is a spectrum?
Which of the above wavelengths has a higher frequency?
The highest refractive index is of ______.
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(a) speeds up
(b) slows down. In each case, give one example of the medium.
The diagram alongside shows the refraction of a ray of light from air to a liquid.
- Write the values of (i) angle of incidence, (ii) angle of refraction.
- Use Snell’s law to find the refractive index of liquid with respect to air.
In fig 4.18, name the ray which represents the correct path of light while emerging out through a glass block.
A ray of light passes from air to water. In fig. 39, which of the ray A, B, C and D is the correct refracted ray?
Rewrite the following statement by selecting the correct option:
If a ray of light strikes a glass slab at an angle of 600 with the surface of the slab, the angle of incidence must be __________________.
The diagram shows the path of a ray of light through a rectangular glass block placed in a liquid of uniform density.
What should be the rate of the speed of light through the liquid to the speed through the glass so that there is no refraction of light at the boundaries of the glass block when the system is illuminated by the light of one colour?
Explain with the help of a diagram of how fish is able to see the objects above it.
