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Iron exhibits bcc structure at roomj tem...

Iron exhibits bcc structure at roomj temperature. Above `900^(@)C`, it transformers to fcc structure. The ratio of density of iron at room temperature to that at `900^(@)C` (assuming molar mass and atomic radius of iron remains constant with temperature) is

A

`(3sqrt(3))/(4sqrt(2))`

B

`(4sqrt(3))/(3sqrt(2))`

C

`sqrt3/sqrt2`

D

`1/2`

Text Solution

Verified by Experts

The correct Answer is:
A
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