PUMPA - SMART LEARNING

எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

Book Free Demo
Path of light:
  1. Let us use a piece of a pipe or a long rubber tube.
  2. Light a candle and fix it on a table at one end of the room.
  3. Now standing at the other end of the room look at the candle through the pipe.
Is the candle visible?
 
.

Bend the pipe a little while you are looking at the candle. Is the candle visible now?
 
.

Turn the pipe a little to your right or left. Can you see the candle now?

 
What do you conclude from this?
 
From this activity, it is concluded that the .