Electromagnetic waves
Storyboard Text
- OH WHY DO I DO FEEL SOMETHING?
- Human body emit electro magnetic radiation Most of the radiation emitted by human body is in the infrared region, mainly at the wavelength of 12 micron.
- Energy from infrared light and radio waves is converted to heat in the body. We can feel the heat of infrared light because its energy is absorbed mostly by the skin. On the other hand, we cannot feel radio waves because these emit their energy deeper in the body, under the heat-sensitive cells of the skin
- It's hot in here
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- The plants exposed to EM radiation were taller, thinner, and a much lighter shade of green compared to the unexposed plants. With the help of this experiment, the effects of EM radiation on the growth of organisms can be seen and studied.
- All electromagnetic waves are transverse waves. Can travel through a vaccum. They can transfer energy from one place to another. Also it can be reflected
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