MEDIUM
10th ICSE
IMPORTANT
Earn 100
A light ray in passing from water to a medium (a) speeds up, (b) slows down. In each case, (i) give one example of the medium, (ii) state whether the refractive index of medium is equal to, less than or greater than the refractive index of water.
Important Questions on Refraction of Light at Plane Surfaces
MEDIUM
10th ICSE
IMPORTANT
What do you understand by the statement the refractive index of glass is for white light?
HARD
10th ICSE
IMPORTANT
A monochromatic ray of light passes from air to glass. The wavelength of light in air is , the speed of light in air is and in glass is . If the absolute refractive index of glass is , write down (a) the relationship between and , (b) the wavelength of light in glass.
MEDIUM
10th ICSE
IMPORTANT
For which colour of white light, is the refractive index of a transparent medium (a) the least (b) the most?
MEDIUM
10th ICSE
IMPORTANT
Which colour of light travels fastest in any medium except air?
MEDIUM
10th ICSE
IMPORTANT
Name two factors on which the refractive index of a medium depends? State how does it depend on the factors stated by you.
MEDIUM
10th ICSE
IMPORTANT
How does the refractive index of a medium depend on the wavelength of light used?
EASY
10th ICSE
IMPORTANT
How does the refractive index of a medium depend on its temperature?
EASY
10th ICSE
IMPORTANT
A ray of light from air suffers partial reflection and refraction at the boundary of water. In the given figure below, which of the ray A, B, C, D and E is the correct refracted ray?
