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Iron exhibits bcc structure at room temp...

Iron exhibits bcc structure at room temperature . Above `900^(@)C`, it transforms to fcc structure . The ratio of density of iron at room temperature to that ar `900^(@)C`(assuming molar mass and atomic radii of iron remain constant with temperature) is-

A

`(3sqrt3)/(4sqrt2)`

B

`(4sqrt3)/(3sqrt2)`

C

`(sqrt3)/(sqrt2)`

D

`(1)/(2)`

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The correct Answer is:
A
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CHHAYA PUBLICATION-PREVIOUS YEARS QUESTION PAPER 2018-NEET 2018
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