Frequency $f$ of a simple pendulum depends on its length $\ell$ and acceleration $g$ due to gravity according to the following equation $f=\frac{1}{2 \pi} \sqrt{\frac{ g }{\ell}}$. Graph between which of the following quantities is a straight line?
Frequency $f$ of a simple pendulum depends on its length $\ell$ and acceleration $g$ due to gravity according to the following equation $f=\frac{1}{2 \pi} \sqrt{\frac{ g }{\ell}}$. Graph between which of the following quantities is a straight line?
- A
$f$ on the ordinate and $\ell$ on the abscissa
- B
$f$ on the ordinate and $\sqrt{ \ell }$ on the abscissa
- C
$f ^2$ on the ordinate and $\ell$ on the abscissa
- D
$f ^2$ on the ordinate and $1 / \ell$ on the abscissa
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