Sound Test - 42...

The piston in a petrol engine goes up and down $$3000$$ times per minute. For this engine, calculate the period of the piston.

A bicycle wheel spins 25 times in 5 seconds. Calculate frequency of the wheel.

The time period of a sound wave from a piano is $$1.18\times10^{-3} s$$. Find its frequency.

A tuning fork's tongs vibrate 250 times in 2.0s. Find the frequency of vibration

Which of the following pictures correctly show the way sound vibrations travel?

Calculate the period of a strobe light flashing $$25$$ times in $$5.0\ s$$.

Calculate the frequency, in hertz, for 120 Oscillations in 2.0 s

Calculate the frequency for ten swings of a pendulum in $$6.7\ s$$.

A scientist performed an experiment as shown in the picture above. What happened as air was pumped out of the jar and he rang the bell?

The depth of ocean at any place can be measured (estimated) with the help of