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प्रश्न
Which effect is illustrated by the observation that when a beam of sunlight enters a dusty room, then its path becomes visible to us.
उत्तर
The Tyndall effect is illustrated by the observation that when a beam of sunlight enters a dusty room, its path becomes visible.
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संबंधित प्रश्न
What did Newton demonstrate by his experiments with the prism?
Which colour of the spectrum has
longest wavelength,
Out of blue light and red light, which one is scattered more easily?
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
Describe an experiment to show that “sunlight is essential for photosynthesis”.
To an astronaut in a space-ship, the earth appears ______.
The clear sky appears blue because:
Why is the colour of the clear sky blue?
Blue colour of sky is due to the phenomenon of
The colour of clear sky from the earth appears blue but from the space it appears black. Why?
