PDF chapter test TRY NOW
Sunlight through hole:
- Find a sunny room in your school/ home.
- Close all the doors and windows with curtains pulled down to make the room dark.
- Now, open the door or a window facing the sun, just a little, in such a way that it allows sunlight to enter the room only through a slit.
- Look carefully at the incoming beam of sunlight.
Do you see some tiny shining particles moving in the beam of sunlight? If so, what are those particles?
, the tiny shining particles moving in the beam of sunlight are called .
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