Explain why the planets do not twinkle but the stars twinkle.
CBSE DELHI - SET 1 2011
Download our app for free and get started
Planets, being much closer to the earth are considered as extended source of light. Stars, being distant, are taken as point sized sources of light. The light coming from stars goes on varying due to atmospheric refraction pro-during twinkling effect.
Download our appand get started for free
Experience the future of education. Simply download our apps or reach out to us for more information. Let's shape the future of learning together!No signup needed.*
Similar Questions
- 1View SolutionHow does the convex eye-lens differ from the ordinary convex lens made of glass?
- 2View SolutionWhy do we observe random wavering or flicking of the objects near a fire or on a very hot day?
- 3View SolutionHow many surfaces bound a prism? How many refractions does a beam of white light suffer, when it is passed through a prism?
- 4View SolutionA narrow beam of light produces a spectrum XY on passing through a triangular glass prism.
- State the colour at X and Y.
- Why do the different components of white light bend through different angles with respect to the incident beam of light?
- 5View SolutionWhat are the two most common defects of vision (or defects of eye)? How are they corrected?
- 6View SolutionNo rainbow could be observed from the surface of the moon by the astronauts moon by the astronauts. What could be the possible reason?
- 7View SolutionWhy does it take some time to see objects in a dim room when you enter the room from bright
sunshine outside? - 8View SolutionDraw a labelled ray diagram to illustrate the dispersion of a narrow beam of white light when it passes through glass prism.
- 9View SolutionDraw ray diagrams each showing:
Myopic eye. - 10View SolutionWhy do stars seem higher than they actually are? Illustrate your answer with the help of a diagram.