Q10 of 45 Page 301

A pencil partly immersed in water in a glass tumbler appears to be bent at the interface of air and water. Name the phenomenon of light responsible for it.

This phenomenon is known as refraction of light.


When light passes from one medium to another medium the light rays tend to bend at the interface between two medium, this phenomenon is known as refraction.



More from this chapter

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8

In the arrangement shown in the figure, there are two coils wound on anon-conducting cylindrical rod. Initially the key is not inserted. Then the key is inserted and later removed. Then, which of the following statement is correct?

a. The deflection in the galvanometer remains zero throughout.


b. There is a momentary deflection in the galvanometer but it dies out shortly.



 9

Which part of the human eye helps in changing the focal length of the eye lens?

 11

Sitting in her parlour one night, Chitra sees the reflection of her cat in the livingroom window. If the image of her cat makes an angle of 40o with the normal,at what angle does Chitra see the reflected image of the cat?

 12

Why do the lines of the magnetic field not cross each other?