The largest distance between the interatomic planes of a crystal is 10-7cm. The upper limit for the wavelength of X-rays which can be usefully studied with this crystal is [CPMT 1984]

If assertion is true but reason is false.

The largest distance between the interatomic planes of a crystal is 10

1.	The largest distance between the interatomic planes of a crystal is 10-7cm. The upper limit for the wavelength of X-rays which can be usefully studied with this crystal is [CPMT 1984]
A.	1 Å
B.	2 Å
C.	If assertion is true but reason is false.
D.	20 Å
Answer» E.

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The largest distance between the interatomic planes of a crystal is 10-7cm. The upper limit for the wavelength of X-rays which can be usefully studied with this crystal is [CPMT 1984]

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