Question

a musical instrument produces sound of frequency 400hz. what is the time period of vibration?

Answer 1

$\underline\bold\pink{\huge{HELLO\:DEAR}}$

$\underline\bold\red{\huge{ANSWER : }}$

GIVEN, Frequency of sound wave = 400 Hz.

We know that,

$time \: period \: = \frac{1}{frequency}$

$time \: period \: = \frac{1}{400} \: second.$

$time \: period = \: 0.0025 \: second.$

✨✨✨✨ ALWAYS BE BRAINLY ✨✨✨✨

Answer 2

$\mathfrak{Hello}$

As we know

$<b>$

$time \: period = \frac{1}{frequency} \\ time \: period = \frac{1}{400}$


Time period of vibration is 1/400 sec.