Advertisement Remove all ads

You are given kerosene, turpentine and water. In which of these does the light travel fastest? Use the information given in Table. - Science

Advertisement Remove all ads
Advertisement Remove all ads
Advertisement Remove all ads

You are given kerosene, turpentine and water. In which of these does the light travel fastest? Use the information given in Table.

Material
medium
Refractive index Material medium Refractive

 

index

Air 1.0003 Canada Balsam 1.53
Ice 1.31
Water 1.33 Rock salt 1.54
Alcohol 1.36
Kerosene 1.44 Carbon disulphide 1.63
Fused
quartz
1.46 Dense
flint glass
1.65
Turpentine oil 1.47 Ruby 1.71
Benzene 1.50 Sapphire 1.77
Crown
glass
1.52 Diamond 2.42
Advertisement Remove all ads

Solution

In water light travel faster as compare to kerosene and turpentine because the refractive index of water is lower than that of kerosene and turpentine. The speed of light is inversely proportional to the refractive index.

Concept: Refractive Index
  Is there an error in this question or solution?

APPEARS IN

NCERT Class 10 Science
Chapter 10 Light – Reflection and Refraction
Q 4 | Page 176
Advertisement Remove all ads
Share
Notifications

View all notifications


      Forgot password?
View in app×