If young's modulus of iron be 2xx10^(1...

If young's modulus of iron be `2xx10^(11) Nm^(-2)` and interatomic distance be `3xx10^(-10) m^(-2)`, the intertomic force constant will be (in `N//m`)

A

`60`

B

`120`

C

`30`

D

`180`

Text Solution

Verified by Experts

The correct Answer is:

A

`K = Yr_(o) , K` = intertomic froce constant `r_(o)` = interatomic distance

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