Q709
The sky appears blue because of
A.
Atmospheric water vapour
B.
Scattering of light
AnswerC.
Reflection on sea water
D.
Emision of blue wavelength by the sun
Answer: Option B
Solution
Answer: Option B
Solution:
Gases and particles in Earth's atmosphere scatter sunlight in all directions. Blue light is scattered more than other colors because it travels as shorter, smaller waves. This is why we see a blue sky most of the time.