List three observations that show how light carries energy.

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31-03-2017
Physics

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List three observations that show how light carries energy.

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Аноним Аноним · Answer 1 · 2017-03-31T20:14:24+02:00

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.