The bluish color predominates in a clear sky,Since blue has a shorter wavelength than red and is scattered much more strongly
22) The bluish color predominates in a clear sky,
Answer is:
Since blue has a shorter wavelength than red and is scattered much more strongly
Explanation:
Related Optics MCQ with Answers
Answer is:
Ability to change the focal length
Explanation:
Accommodation of the human eye is Ability to change the focal length
Answer is:
converging (positive) lens
Explanation:
Farsighted or hypermetropic eye can be corrected by converging (positive) lens
Answer is:
f = 2R
Explanation:
A plano-convex lens is made of glass of refractive index 1.5. The focal length f of the lens & the radius of curvature R of its curved surface, are related by f=2R
Answer is:
2
Explanation:
Magnification produced by a lens m is given by v/u