Sound Test - 41...

Rahul is playing the drums. Then which of the following characteristics of sound would result in increase in loudness?

Three small interlocking bones: the hammer, the anvil, and the stirrup transmit the vibrations of the eardrum to the inner ear.

Choose the correct answer.
Sound can travel through

Which of the following statements is correct?

The maximum distance that a particle moves away from its rest position is called ________________.

Science fiction films often show battles between spaceships. Four friends were arguing what would someone in space hear if an enemy spaceship exploded?
Rekha said, 'they would hear a big explosion.'
Renu saud,'they will not hear anything as there is no medium for sound to travel, but they can see the explosion.'
Ramesh said, 'yes, they will not hear anything and they will not be able to see the explosion.'
Raghav said,'the explosion produces sound of frequency above 20,000 Hz hence we cannot hear it.' 
Who is correct?

A _________________ wave has oscillations in the same direction as its motion.

Arrange the materials in the decreasing order of the speed with which sound will travel through them: 
Metal rod, Air, Water

The sound from a mosquito is produced when it vibrates its wings at an average rate of $$500$$ vibrations per second. What is the time period of the vibration?

Convert the frequency $$1.492 \ Hz$$ to time period.