Explain How Light Travels In A Straight Line at Traveling

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Explain How Light Travels In A Straight Line. This effect is commonly reffered to as diffraction. We see things when light hits them and bounces off and enters our eyes.

Light & Colour
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A student placed a pencil in a cup of water. We see things when light hits them and bounces off and enters our eyes. Let's take a look at a classic diagram of how light propagates:

Light & Colour

After exploring light beams from torches, the children can apply their understanding to draw the light beams in a straight line from the torches in the boxes. Experimental verification of light travelling in staright line and reflects from mirror. Light travels in straight lines primarily due to the fact that light is a wave. Through an optically transparent medium, light travels in what we would call a straight line because the electrons in the material are at an energy state tuned perfectly to the wavelengths.