Q. The value of $6 0^{\circ}$ in radian is

2009 195 Physical World, Units and Measurements Report Error

A

$\frac{π}{2}$

B

$\frac{π}{3}$

C

$\frac{π}{4}$

D

$\frac{π}{5}$

Solution:

$18 0^{\circ} = π$ radian
$1^{\circ} = \frac{π}{180} r a d$
$6 0^{\circ} = \frac{π}{180} \times 60$ rad
$6 0^{\circ} = \frac{π}{3}$ rad