Question

In a sinusoidal wave, the time required for a particular point to move from maximum displacement to zero displacement is 0.170 second. The frequency of the wave is

[CBSE PMT 1998; AIIMS 2001;AFMC 2002; CPMT 2004]

• A. 1.47 Hz
• B. 0.36 Hz
• C. 0.73 Hz
• D. 2.94 Hz

Answer 1

The correct option is A

1.47 Hz

$\frac{T}{4}=0.17\Rightarrow T=0.68sec\therefore \nu =\frac{1}{T}=\frac{1}{0.68}=1.47Hz$