PUMPA - SMART LEARNING
எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்
Book Free DemoPath of light:
- Let us use a piece of a pipe or a long rubber tube.
- Light a candle and fix it on a table at one end of the room.
- 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 .