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प्रश्न
What happens when a beam of sunlight enters a dusty room through a window? Explain your answer.
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उत्तर
A beam of sunlight becomes visible when it enters a dusty room through a window. This is because the dust particles present in the air in the room scatter the light all around the room. This scattered light enters our eyes, enabling us to see the beam of sunlight.
संबंधित प्रश्न
Which color of white light is scattered the least and why?
Name the scientist who discovered that sunlight consists of seven colours.
What is meant by dispersion of white light? Describe the formation of rainbow in the sky with the help of a diagram.
Name some everyday objects:
which absorb all the colours in sunlight
We can see the sun before the actual sunrise by about:
(a) 5 minutes
(b) 2 minutes
(c) 2 hours
(d) 20 minutes
What is tyndall effect? Explain with an example.
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
Sunset is red because at that time the light coming from the sun has to travel:
Which of the following phenomena contributes significantly to the reddish appearance of the sun at sunrise or sunset?
The clear sky appears blue because
