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प्रश्न
Which phenomenon makes us see the sun:
a few minutes before actual sunrise?
उत्तर
Atmospheric refraction is the phenomenon that enables us to see the sun
a few minutes before sunrise (advanced sunrise)
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संबंधित प्रश्न
What is a rainbow? Draw a labelled diagram to show the formation of a rainbow.
Name a natural phenomenon which is caused by the dispersion of sunlight in the sky.
What is meant by dispersion of white light? Describe the formation of rainbow in the sky with the help of a diagram.
Which of the two is scattered more easily, light of shorter wavelengths or light of longer wavelengths?
The sky appears blue because some of the blue component of sunlight is scattered by:
(a) gas molecules present in air
(b) dust particles present in air
(c) water droplets suspended in air
(d) soot particles present in air
Explain in brief the reason for the following :
Delayed sunset
To an astronaut in a space-ship, the earth appears ______.
Which of the following statements is correct regarding the propagation of light of different colours of white light in the air?
The clear sky appears blue because
How can we explain the reddish appearance of sun at sunrise or sunset? Why does it not appear red at noon?
