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Minima in Diffraction

The X-ray bea...

Question

The X-ray beam emerging from an X-ray tube

A

is monochromatic

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B

contains all wavelengths smaller than a certain maximum wavelength

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C

contains all wave lengths larger than a certain minimum wavelength

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D

contains all wave lengths lying between a minimum and a maximum wavelength.

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Solution

The correct option is C contains all wave lengths larger than a certain minimum wavelength
X-ray beam emerging from an X-ray tube contains all wavelength larger than a certain minimum wavelength.

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