1.

Assertion Crystalline solids can cause X-rays to diffract. Reason Interatomic distance in crystalline solids is of the order of 0.1 nm.

A. If both the assertion and reason are true and reason explains the assertion
B. If both the assertion and reason are true and reason explains the assertion.
C. If assertion is true but reason false
D. If assertion is true but reason True
Answer» B. If both the assertion and reason are true and reason explains the assertion.


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