Sound Test - 15...

A tuning fork vibrates with 2 vibrations in 0.4 seconds. Its frequency (in Hz) is

A sound wave completes $$24$$ cycles in $$0.8\;s$$. The time period of the wave would be:

Select the loudness level that is above the normal hearing range

Select the odd one out (soft horns, ear plugs, silencers, loudspeakers)

Select the odd one out (loudspeakers, aeroplanes, vacuum cleaners, ear plugs)

Sounds having frequency more than 20,000 Hz are called -

We, humans, produce sound by using :

What is the name of the strings which vibrate in our voice box when we talk?

If a vibrator strikes the water 50 times in 5 second, then the frequency of wave is________.

Muscles attached to the vocal cords can make them