Question

The ratio of angular velocity of minute hand the second hand of a clock is

• A. 60 :1
• B. 1:60
• C. 1:20
• D. 120

Answer 1

The correct option is A 60 :1

Angular velocity $w=\frac{2\pi N}{60}$

$w_m=\frac{2\pi N}{60}$

$w_s=\frac{2\pi N}{60\times 60}$

$:\frac{w_m}{w_s}=\frac{60\times 60}{60}=\frac{60}{1}$

$\therefore w_m:w_s=60:1$