Assertion: Graphite is an example of tetragonal crstal system. Reason: For a tetragonal system. `a=bnec,alpha=beta=90^(@),gamma=120^(@)`A. If both assertion and reason are true and the reason is the correct explanantion of the assertionB. If both assertion and reason are true but reason is not the correct explanation of the assertion.C. If assertion is true but reason is false.D. If the assertion and reason both are false.

Assertion: Graphite is an example of tetragonal crstal system. Reason:

1.	Assertion: Graphite is an example of tetragonal crstal system. Reason: For a tetragonal system. `a=bnec,alpha=beta=90^(@),gamma=120^(@)`A. If both assertion and reason are true and the reason is the correct explanantion of the assertionB. If both assertion and reason are true but reason is not the correct explanation of the assertion.C. If assertion is true but reason is false.D. If the assertion and reason both are false.
Answer» Correct Answer - D Graphite is hexagonal system and for tetragonal all three angles are `90^(@)`.

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