1.

Crystalline solids have

Answer»

If both ASSERTION and reason are TRUE and reason is the correct explanation of assertion
If both assertion and reason are true but reason is not the correct explanation of assertion.
If assertion is true but reason is false
If both assertion and reason are false

Solution :Crystalline solids are anisotropic in nature that is , some of their physical properties LIKE electrical RESISTANCE show different VALUES along different directions due to different arrangement of particles in different directions.


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