English

What Do You Understand by the Statement the Refractive Index of Glass is 1.5 for White Light? - Physics

Advertisements
Advertisements

Question

What do you understand by the statement the refractive index of glass is 1.5 for white light? 

Solution

The refractive index of glass is 1.5 for white light means white light travels in air 1.5 times faster than in glass.

shaalaa.com
  Is there an error in this question or solution?
Chapter 4: Refraction of Light at Plane Surfaces - Exercise 4 (A) 1 [Page 81]

APPEARS IN

Selina Physics [English] Class 10 ICSE
Chapter 4 Refraction of Light at Plane Surfaces
Exercise 4 (A) 1 | Q 13 | Page 81

RELATED QUESTIONS

Select from the following the best experimental setup for tracing the path of a ray of light passing through a rectangular glass slab.

(a) P

(b) Q

(c) R

(d) S


Study the following four experimental set-ups I, II, III and IV for the experiment, "To trace the path of a ray of light through a rectangular glass slab."

Which of the marked set-ups is likely to give best results (P1 and P2 are the positions of pins fixed on the incident ray)?

(A) I

(B) II

(C) III

(D) IV


The following diagram shows a 60°, 30°, 90° glass prism of critical angle 42°, Copy the diagram and complete the path of incident ray AB emerging out of the prism marking the angle of incidence on each surface.


(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)` . 


A ray of light is incident normally on a plane glass slab. What will be
    1. the angle of refraction and
    2. the angle of deviation for the ray?

Write the SI unit for refractive index.

Fig shows a lens as a combination of a glass block and two prisms.

(i) Name the lens formed by the combination.

(ii) what is the XX' called?

(iii) Complete the ray diagram and show the path of the incident ray PQ after passing through the lens.

(iv) The final emergent ray will either meet XX' at a point or appear to come from a point on XX'. what is the point called?


Using the curve, how do you infer that for given prism, the angle of minimum deviation δmin is unique for the given light?


Consider these indices of refraction: glass: 1.52; air: 1.0003; water: 1.333. Based on the refractive indices of three materials, arrange the speed of light through them in decreasing order.


What is lateral displacement?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×