Advertisements
Advertisements
प्रश्न
(i) What is the relation between the refractive index of water with respect to air `("_aμ_\text(w))` and the refractive index of air with respect to water `("_\text(w)μ_ a)` .
(ii) If the refractive index of water with respect to air `("_aμ_\text(w))` is`5/3`. Calculate the refractive index of air with respect to water `("_\text(w)μ_ a)` .
उत्तर
(i) `"_a μ_\text(w) =(mu_\text(w))/(mu_a)`
` "_\text(w) μ_a = (mu_a)/(mu_\text(w) `
`∴ "_a μ_\text(w) `= `1/ ("_\text(w) mu_a)`
(ii) ` "_a μ_\text(w) = 5/ 3`
` "_\text(w) mu _a = 3/5 `
APPEARS IN
संबंधित प्रश्न
Draw a ray diagram to show the refraction of light through a glass slab and mark angle of refraction and the lateral shift suffered by the ray of light while passing through the slab.
For which colour of white light, is the refractive index of a transparent medium the most?
After tracing the path of rays of light through a glass slab for three different angles of incidence, a student measured the corresponding values angle of refraction r and angle of emergence e and recorded them in the table given below:
S. No. |
∠i |
∠i |
∠e |
I |
30° |
20° |
31° |
II |
40° |
25° |
40° |
III |
50° |
31° |
49° |
The correct observations are:
(A) I and II
(B) II and III
(C) I and III
(D) I, II and III
Observe the figure and write accurate conclusion regarding refraction of light.
Which colour of light travels fastest in any medium except air?
Choose the correct alternative and rewrite the following:
A glass slab is placed in the path of convergent light. The point of convergence of light
Which colour of white light travels fastest in any medium except air?
A ray of light strikes the surface of a rectangular glass slab such that the angle of incidence in air is
- 0°,
- 45°.
In each case, draw a diagram to show the path taken by the ray as it passes through the glass slab and emerges from it.
What is lateral displacement?