Advertisements
Advertisements
Question
State whether the following statement is true or false :
Sound produced by a vibrating body travels to our ears by the actual movement of air.
Solution
False. The sound produced by a vibrating body is a longitudinal wave where energy is transmitted through the medium by successive compressions and rarefactions.
APPEARS IN
RELATED QUESTIONS
Fill in the blank.
Sound is produced when a body ______.
Explain why you can predict the arrival of a train by placing your ear on the rails without seeing it.
Can sound travel through (a) iron, and (b) water?
Which of the following cannot transmit sound? Water, Vacuum, Aluminium, Oxygen gas
If a ringing bicycle bell is held tightly by hand, it stops producing sound. Why?
Which of the following vibrates when a musical note is produced by the cymbals in an orchestra?
Figure X shows a trace of a sound wave produced by a particular tuning fork :
(a) On the graph paper given in Figure Y, draw a trace of the sound wave which has a higher frequency than that shown in figure X.
(b) On the graph paper show in Figure Z, draw a trace of the sound wave which has a larger amplitude than that shown in Figure X.
How are different sound notes generated in musical instruments like guitar, which uses strings for sound generation, and flute, which uses blown air for sound generation?
The vibrations of a simple pendulum are also known as _______.
Suppose a stick is struck against a frying pan in vacuum. Will the frying pan vibrate? Will we be able to hear the sound? Explain.