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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
Explain giving reason why the sky appears blue to an observer from the surface of the earth? What will the colour of the sky be for an astronaut staying in the international space station orbiting the earth? Justify your answer giving reason.
Which color of white light is scattered the least and why?
Give the meaning of the term VIBGYOR. With which phenomenon is it connected?
Which colour of the spectrum has
longest wavelength,
Which colour of the spectrum has
shortest wavelength?
Which effect is illustrated by the observation that when a beam of sunlight enters a dusty room, then its path becomes visible to us.
The red colour of the sun at the time of sunrise and sunset is because:
(a) red colour is least scattered
(b) blue colour is least scattered
(c) red colour is most scattered
(d) blue colour is most scattered
Explain in brief the reason for the following:
Twinkling of stars
Is the position of a star as seen by us its true position? Justify your answer.
What is the difference in colours of the Sun observed during sunrise/sunset and noon? Give explanation for each.
