show with the helps of activity that light travels in a straight line
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Answer:
Light travels in straight line
Explanation:
Activity:
Things needed- 3 cardboard rectangles, candle, 3 stands
Method
Make one hole in the center of the 3 cardboard rectangles. Put them on stands. Put the stands in a line. Light a candle and put it in front of the hole of the first stand. Now go to the last stand and look through the hole. You will see light moving in straight line.
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