Sound Test - 38...

A child inserted a needle in a man's ear. The man became deaf. Why?

Sound is produced due to:

What is the commonly stated human hearing frequency range?

Three different vibrating bodies produce three types of sounds X, Y and Z. Sounds X and Y cannot be heared by a man having normal range of hearing but sound Z can be heard easily. The sound X is used in for monitoring nuclear reactor.Y is sound similar to that which is produced during an earthquake before the main shock wave is generated. What type of sounds are (i) X (ii) Y, and (iii) Z?

Sound of different pitch can be produced using a flute. How?

Mark the incorrect difference between musical sound and noise

We find it difficult to hear if we put cotton in our ears. This is because

In which of the following speed of sound is maximum?

Which of the following statements supports the fact that sound requires a material medium to pass through?

Which of the following measure can be taken to control noise pollution in our surroundings.