| ⇦ | 
| ⇨ |
The reddish appearance of the sun at sunrise and sunset is due to
Options
(a) the colour of the sky
(b) the scattering of light
(c) the polarisation of light
(d) the colour of the sun
Correct Answer:
the scattering of light
Explanation:
It is due to scattering of light. Scattering ∞ 1/λ⁴. Hence the light reaches us is rich in red.
Related Questions: - Two electrons are separated by a distance of 1Å. What is the coulomb force between them?
- Electrons of mass m with de-Broglie wavelength λ fall on the target in an X-ray tube.
- The mass of a ⁷₃ Li nucleus is 0.042 u less than the sum of the masses of all its nucleons
- The acceleration due to gravity becomes (g/2) where g=acceleration due to gravity
- The momentum of a body is increased by 20%.The percentage increases in kinetic energy
Topics: Ray Optics
(94)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Two electrons are separated by a distance of 1Å. What is the coulomb force between them?
- Electrons of mass m with de-Broglie wavelength λ fall on the target in an X-ray tube.
- The mass of a ⁷₃ Li nucleus is 0.042 u less than the sum of the masses of all its nucleons
- The acceleration due to gravity becomes (g/2) where g=acceleration due to gravity
- The momentum of a body is increased by 20%.The percentage increases in kinetic energy
Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends
Leave a Reply