English

When a Ray of Light Passes from Air into Glass, is the Angle of Refraction Greater than Or Less than the Angle of Incidence? - Science

Advertisements
Advertisements

Question

When a ray of light passes from air into glass, is the angle of refraction greater than or less than the angle of incidence?

Advertisements

Solution

When a ray of light passes from air into glass, it bends towards the normal. So, the angle of refraction is smaller than the angle of incidence.

shaalaa.com
  Is there an error in this question or solution?
Chapter 5: Refraction of Light - Exercise 1 [Page 219]

APPEARS IN

Lakhmir Singh Physics (Science) [English] Class 10
Chapter 5 Refraction of Light
Exercise 1 | Q 12 | Page 219

RELATED QUESTIONS

The letter F is placed in front of a plane mirror: 

 How would its image look like when seen in a plane mirror?


What are the important differences between looking at a photograph of your face and looking at yourself in a plane mirror?


A ray of light passes from air into a block of glass. Does it bend towards the normal or away from it?


Fill in the following blank with suitable word: 

Light travelling along a normal is ...............refracted.


A ray of light travelling in air is incident on a rectangular glass block and emerges out into the air from the opposite face. Draw a labelled ray diagram to show the completer path of this ray of light. Mark the two points where the refraction of light takes place. What can you say about the final direction of ray of light?


 A coin in a glass tumbler appears to rise as the glass tumbler is slowly filled with water. Name the phenomenon responsible for this effect.


Light travelling from a denser medium to a rarer medium along a normal to the boundary:

(a) is refracted towards the normal
(b) is refracted away from the normal
(c) goes along the boundary
(d) is not refracted


Fill in the blank and Explain the completed sentences.

 The change in ______ of light rays while going from one medium to another is called refraction.


We can see the sun even when it is little below the horizon because of ______.


Light enters from air to glass having refractive index 1.50. What is the speed of light in the glass? The speed of light in vacuum is 3 × 108 m s−1.


The size of image of an object by a convex lens of focal length 20 cm is observed to be reduced to  `1/3` rd of its size . Find the distance of the object from the optical centre of the lens . 


Light changes its direction when going from one transparent medium to another transparent medium. This is called _______.


Write scientific reason.

The bottom of a pond appears raised.


Observe the given figure and write appropriate phenomenon of light in the box.


The ratio of the sine of the angle of incidence to the sine of ______ is constant.


Light is refracted or bent while going from one medium to another because of its ______ changes.


Under what circumstances there won’t be any refraction of light when it enters from one medium to another?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×