Advertisements
Advertisements
प्रश्न
State the relation between the refractive index μ and the velocity of light (vm) in that medium.
Advertisements
उत्तर
`μ="Velocity of light in a vacuum (or air)"/"Velocity of light in the medium"="C"/"v"_"m"`
`"v"_"m"="C"/μ`

संबंधित प्रश्न
How can you bend light away from the normal?
Light of a single colour is passed through a liquid having a piece of glass suspended in it. On changing the temperature of liquid, at a particular temperature the glass piece is not seen. When is the glass piece not seen?
With the help of diagram of the principal section of a prism, indicate its refracting surfaces, refracting edge and base.
Four students showed the following traces of the path of a ray of light passing through a rectangular glass slab.

The trace most likely to be correct is that of student
(A) I
(B) II
(C) III
(D) IV
What is meant by the refraction of light?
A fish swimming in a pond seems nearer than it really is. Explain.
Write a relation between the angle of incidence (i), angle of emergence (e), angle of the prism (A), and angle of deviation (d) for a ray of light passing through an equilateral prism.
Comment on the statement ‘The refractive index of glass is 3/2.’
Observe the figure and name the ray AB, ray CD, ray GH.

The diagram below shows two parallel rays A (Orange) & B (Blue) incident from air, on air-glass boundary.

- Copy and complete the path of the rays A and B.
- How do the speeds of these rays differ in glass?
- Are the two refracted rays in glass parallel? Give a reason.
