Q. 3 F3.9( 13 Votes )
Answer the following:
Mention any two effects of refraction of light in daily life.
Answer :
Following are the effects of refraction of light in our daily life.
1. A swimming pool always looks shallower than it really is, because the light coming from the bottom of the pool bends when it comes out at the surface due to refraction of light.
2. A straight stick which is immersed partly in water always looks to be bent at the surface of the water, because the light coming from the stick bends when it comes out at the surface due to refraction of light. The figure below illustrates it.
3. A coin or stone lying at the bottom of a container filled with water appears to be raised because of refraction of light. The figure below shows the above phenomenon.
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Match the following:
Answer the following:
What are the conditions for total internal reflection to take place?
Karnataka Board - Science Part IIFill in the blanks with suitable words :
The type of lens used by watch repairers is ___________.
Karnataka Board - Science Part IIAnswer the following:
Write diagrams to show the refraction of parallel rays of light in (i) convex lens and (ii) concave lens.
Karnataka Board - Science Part IIAnswer the following:
Mention any two effects of refraction of light in daily life.
Karnataka Board - Science Part IIAnswer the following:
Mention any four devices that contain a convex lens.
Karnataka Board - Science Part IIFill in the blanks with suitable words :
Bending of light when it passes from one transparent medium to another is called _________.
Karnataka Board - Science Part II