Between which 2 points in physical reality, the wavelength of light is a distance? I know that on a graph paper, it is the distance b/w 2 consecutive troughs/crests (identical points on consecutive waves), but what is it actually a distance between?

Question

Norman Manchu · Answer

A wavelength is the distance between two consecutive crests or troughs. But it may or may not be the distance between two extremes. Try to understand this with the help of an example by supposedly taking two extreme points A and B. If just one wave forms between these two points (includes one crest and one trough) then the distance between these two extreme points A and B equals to the wavelength. But what if more than one wave(a crest and a trough) is formed between the two points?. Then the distance between the two extremes would be equal to the product of total waves formed and the wavelength. If the wavelength is 5m and total five waves are formed then the distance between A and B point would be twenty-five metres(hypothetically). What should you understand by this is that wavelength is the length of one wave which includes a crest and a trough while distance between any two hypothetical points depends on the length of one wave and the number of waves accommodated between the points.

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Between which 2 points in physical reality, the wavelength of light is a distance? I know that on a graph paper, it is the distance b/w 2 consecutive troughs/crests (identical points on consecutive waves), but what is it actually a distance between?

Between which 2 points in physical reality, the wavelength of light is a distance? I know that on a graph paper, it is the distance b/w 2 consecutive troughs/crests (identical points on consecutive waves), but what is it actually a distance between?

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Between which 2 points in physical reality, the wavelength of light is a distance? I know that on a graph paper, it is the distance b/w 2 consecutive troughs/crests (identical points on consecutive waves), but what is it actually a distance between?

Between which 2 points in physical reality, the wavelength of light is a distance? I know that on a graph paper, it is the distance b/w 2 consecutive troughs/crests (identical points on consecutive waves), but what is it actually a distance between?

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