Light - Study Mode
[#451] Blue colour of the sky is due to
Correct Answer
(A) Scattering of light
[#452] The correct order of colours in a rainbow is
Correct Answer
(D) Blue, green, yellow
[#453] In order to avoid Sunlight, which of the following colour combination for an umbrella is most appropriate?
Correct Answer
(B) Top white and bottom black
[#454] For a person with hypermetropia or farsightedness, the near point, is . . . . . . . . Farther away from the normal near point.
Correct Answer
(C) 25 cm
[#455] Purpose of an optical filter is to
Correct Answer
(D) transmit or absorb light of different colours