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Tetragonal crystal has the following uni...

Tetragonal crystal has the following unit cell dimensions

A

`a=b=c , alpha=beta=gamma =90^@`

B

`a=b!=c , alpha=beta=gamma =90^@`

C

`a!=b!=c , alpha=beta=gamma =90^@`

D

`a=b!=c , alpha=beta=90^@,gamma =120^@`

Text Solution

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The correct Answer is:
B
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