The correct relation between interatomic force constant K, Young modulus Y and interatomic distance $r_{0}$ is

K = Y r_{0}

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K = \frac{r_{0}}{Y}

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K = \frac{Y}{r_{0}}

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K = r_{0}^{2} Y^{2}

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Solution

The correct option is A $K = Y r_{0}$
The ratio of interatomic force to that of change in interatomic distance is defined as the interatomic force constant $K = \frac{F}{Δ r}$
It is also given as $K = Y \times r_{0}$
Here $Y$ is the Young's modulus and $r_{0}$ is the interatomic distance.

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The correct relation between interatomic force constant K, Young modulus Y and interatomic distance r0 is

The correct option is A K=Yr0The ratio of interatomic force to that of change in interatomic distance is defined as the interatomic force constant K=FΔrIt is also given as K=Y×r0Here Y is the Young's modulus and r0 is the interatomic distance.

The correct relation between interatomic force constant K, Young modulus Y and interatomic distance $r_{0}$ is

The correct option is A $K = Y r_{0}$
The ratio of interatomic force to that of change in interatomic distance is defined as the interatomic force constant $K = \frac{F}{Δ r}$
It is also given as $K = Y \times r_{0}$
Here $Y$ is the Young's modulus and $r_{0}$ is the interatomic distance.