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CBSE Class 10 Answered

what purpose has wavelength got to do with the scattering of light?
Asked by reema saxena | 01 Jan, 2014, 03:20: PM
answered-by-expert Expert Answer
Scattering is possible only when the  wavelength of the wave is comparable to the size of the object.
 
Example:
In crystals the interatomic distance is of the order of few Angstrom.
The wavelength of X - rays is also of the order of few Angstroms ( 0.1 to 100 A).
Therefore only X - rays can be used to determine the crystal structure.
 
Answered by Komal Parmar | 02 Jan, 2014, 11:40: AM

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CBSE 10 - Physics
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