Advertisements
Advertisements
प्रश्न
The twinkling of stars is due to atmospheric:
(a) reflection of light
(b) dispersion of light
(c) interference of light
(d) refraction of light
उत्तर
refraction of light
Atmospheric refraction is responsible for the twinkling of stars.
APPEARS IN
संबंधित प्रश्न
What is atmospheric refraction? Use this phenomenon to explain the following natural events:
Twinkling of stars
Draw diagrams to illustrate your answers.
Explain why the planets do not twinkle.
The phenomenon that causes the twinkling of stars is refraction of light.
Atmospheric refraction causes advance sunrise and delayed sunset. By how much time is:
sunrise advanced?
Atmospheric refraction causes advance sunrise and delayed sunset. By how much time is:
sunset delayed?
State whether the following statement is true or false:
The planets twinkle at night due to atmospheric refraction of light.
Fill in the following blank with suitable word:
We can see the sun about ................ minutes before the actual sunrise and about ................ minutes after the actual sunset because of atmospheric ................
What is atmospheric refraction? What causes atmospheric refraction?
Why does the sky appear blue on a clear day?
Explain the refraction of light through a triangular glass prism using a labelled ray diagram. Hence define the angle of deviation.