Sound
| Description: Sound | |
| Number of Questions: 20 | |
| Created by: Rachana Sahu | |
| Tags: Sound Science Production and Propagation of Sound Mathematics Identifying the Type of Proportion in a Given Situation |
Among the following properties of a wave, which one is independent of the others?
On which of the following factors does the shrillness (pitch) of a sound note depend?
The wave motion in which particles of the medium vibrate about their mean position in the same direction as the wave travels is called
Decibel is a unit of
Two sounds of same loudness and same pitch produced by two different instruments differ in their
The range of audible frequencies for a normal human ear is
Sound cannot travel in
The form of energy which produces the sensation of hearing is
The velocity of sound is affected by change in
An echo is heard due to the _________ of sound waves.
In which of the following mediums is the variation of speed of sound with temperature the greatest?
What should be the approximate minimum distance between the source and the reflector in air so that an echo is heard?
If Vg, Vl and Vs represent the speeds of sound in a gas, liquid and solid respectively, which of the following options is true?
The walls of the halls built for music concerts should
Frequency of vibration of a sitar is 200 Hz. The time period is
Which waves are used in sonography?
What are ultrasonic waves?
Sonar makes use of
What is the requirement for reflection of sound wave?
What are the properties of ultrasound that makes it useful?