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8 June, 14:32

List three observations that show how light carries energy.

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  1. 8 June, 15:00
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    1. - If you put your hand near a light bulb, you feel warm.

    2.-Light is a wave. All waves carry energy, therefore light carries energy.

    3.-The photo electric effect experiment shows that light (or any other kind of electromagnetic radiation) carries energy. How can you observe this? Well, if you shine a beam of light to a certain metal, light will interact with the electrons in the metal and as a result it will create a photo current. This electric current can be seen with an ammeter.
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