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प्रश्न
What happens when a beam of sunlight enters a dusty room through a window? Explain your answer.
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.
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संबंधित प्रश्न
Why does the sun appear reddish early in the morning? Will this phenomenon be observed by an observer on the moon? Justify your answer with a reason.
What did Newton demonstrate by his experiments with the prism?
What colours lie on the two sides of the 'green colour' in the spectrum of white light?
Name the scientist who discovered that sunlight consists of seven colours.
What is the order of colours in a rainbow, from the outside to the inside?
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
What is meant by advance sunrise and delayed sunset? Draw a labelled diagram to explain these phenomena.
What is the colour of the clear sky during day time? Give reason for it.
A beam of blue, green and yellow light passes through the earth's atmosphere. Name the colour which is scattered the most.
Which of the following phenomena contributes significantly to the reddish appearance of the sun at sunrise or sunset?
