Question

Which one of the following is NOT the unit of wave number:

m-1
cm-1
mm-1
cm

Answer 1

Answer:

e

Explanation:

Answer 2

cm is not the unit of wave number out of the following.

What is a wave number?

Definition: Total number of wave cycles present in a unit distance is termed a wave number.

• Wave number is always a reciprocal of the unit of distance.
• Wave number is denoted by the letter 'k'.
• The formula for wave number is  2π/λ where λ is the wavelength.
• Since wave number is always reciprocal, cm is not the unit for a wave number.
• The higher the wave number, the higher the frequency and energy.

To learn more about wave number, refer to:

https://brainly.com/question/8304265

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