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Q. 39

Physics for Scientists and Engineers: A Strategic Approach with Modern Physics
Found in: Page 956

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Short Answer

A diffraction grating having diffracts visible light at . What is the light's wavelength?

The wavelength of sunshine is

See the step by step solution

Step by Step Solution

Step: 1 Finding the grating spacing:

The constant value of grating is ,the spacing by

Step: 2 Equating the equation:

In equation of grating,the light diffraction light wavelength by

Step: 3 Obtaining the wavelength value:

From expression of wavelength

As we're seeing, there should only be one value of that corresponds to a wavelength within the visible region and therfore the will be ,The wavelength are .

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