Question

The time period of a tuning fork is one thousandth of a second. This means

• A. The tuning fork vibrates 1 time in 1000 secs
• B. The tuning fork vibrates 10 times in 100 secs
• C. The tuning fork vibrates 1000 times in 1 sec
• D. The tuning fork vibrates 100 times in 10 secs

Answer 1

The correct option is C The tuning fork vibrates 1000 times in 1 sec

Given Time Period$=\frac{1}{1000}$ second,

$\text{Frequency}=\frac{1}{\text{Time Period}}$ $\Rightarrow \text{Frequency}=1000Hz$

$\therefore$ The tunning fork vibrates 1000 times in 1 sec.