Which of the following is NOT an electromagnetic wave?

Question

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1 point
gamma ray
x-ray
visible light
all of the above are electromagnetic waves
7. Which color has a longer wavelength?
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1 point
red
green
violet
yellow
8. Which type of wave has more energy?
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1 point
radio wave
visible light
ultraviolet
x-ray

Answer 1

1. The option that is NOT an electromagnetic wave is: all of the above are electromagnetic waves. This is incorrect because gamma rays, x-rays, and visible light are all forms of electromagnetic waves.

2. The color that has a longer wavelength is: red. Red light has a longer wavelength compared to green, violet, and yellow.

3. The type of wave that has more energy is: x-ray. X-rays have higher energy compared to radio waves, visible light, and ultraviolet light.