Advertisements
Advertisements
Question
Name any two phenomena which take place in the formation of a rainbow.
Advertisements
Solution
The formation of a rainbow involves all three phenomena: Refraction, Dispersion and Total internal reflection.
APPEARS IN
RELATED QUESTIONS
A ray of light travels from water to air as shown in the diagram given below :
1) Copy the diagram and complete the path of the way. Given the critical angle for water is 48°.
2) State the condition so that internal reflection occurs in the above diagram.
The diagram below shows a point source P inside a water container. Four rays A, B, C, D starting from the source P, are shown up to the water surface.
- Show in the diagram the path of these rays after striking the water surface. The Critical Angle for the water-air surface is 48°.
- Name the phenomenon which the rays B and D exhibit.
Which colour of light has a higher critical angle? Red light or green light.
What is total internal reflection?
State two conditions necessary for total internal reflection to occur.
Solve the previous problem if the paperweight is inverted at its place so that the spherical surface touches the paper.
The twinkling effect of star light is due to ______.
The entire light is reflected back into the denser medium is called ______.
A Rainbow is a beautiful natural phenomenon formed because of the following:
