Answer: The color of an image is identical to the color of the object forming the image. When you look at yourself in a mirror, the color of your eyes doesn’t change. The fact that the color is the same is evidence that the frequency of light doesn’t change upon reflection. 2.
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A motor is built to use all those things and produce mechanical energy.
Velocity=frequency/wavelength
frequency=velocity*<span>wavelength
</span>f=341*0.8
f=272.8 Hz
