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There are an infinite number of frequencies between 400nm and 401nm since the spectrum of light is continuous. Each nm represents a different frequency within that range.

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Q: How many frequencies are there between 400nm and 401nm?
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A P wave has a frequency range of 0.5 to 20 Hz, with typical frequencies falling between 2 to 8 Hz.


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What are the different wavelengths in the electromagnetic spectrum?

EM spectrum consists of visible and invisible part of the spectrum. wavelength of visible spectrum is from 400nm to 700nm. nm is nano meter, 1/1000000000th of a meter. 400nm is for violet rays and 700nm is the range of red rays. yellow, orange green will be in between. EM wave is usually represented from gamma rays (10*-12) m. Picometer range to radio waves that is around 1000m wavelengths. If it is exam question, please draw a spectrum n show the range naming the waves like gamma rays, x rays, ultraviolet, violet to red , infrared, microwave and radio waves. if u wish to learn more interesting physics facts please subscribe to PhysicsFusion-sm3tr hope this helps.

Related questions

What are frequencies in maths?

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Formula for number of octaves between two frequencies?

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How many channels are assigned to citizen band frequencies?

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