Light - Study Mode
[#16] Light is made of seven colours. What is the method of separating the colours?
Correct Answer
(A) The colours can be separated by a prism
[#17] In mirrors, the back surface is coated with a thin layer of
Correct Answer
(B) silver
[#18] Travelers in deserts often tend to have an optical illusion of a sheet of water where none actually exists. What is this called?
Correct Answer
(A) Mirage
[#19] The blue colour of the sky is due to the:
Correct Answer
(B) Scattering of light
[#20] Hypermetropia can be corrected by using:
Correct Answer
(A) convex lenses