Sound - 2
| Description: Sound - 2 | |
| Number of Questions: 15 | |
| Created by: Gagan Singh | |
| Tags: Sound - 2 Some Special Sums Sound - Source and Transmission Characterstics of Sound Sound Effects Range of Various Sounds Reflection of Sound and its Applications Noise Pollution |
A bird makes a high-pitched sound, whereas a lion makes a low-pitched roar. Which of the following statements is true?
In Doppler effect, when the sound moves towards the receiver at rest, the frequency of sound heard will
It is said that there is a vacuum in a vessel when
Which health problem is not caused due to noise pollution?
How can tree plantation reduce noise pollution in residential areas?
Which of the following measures is not taken to reduce noise pollution in residential areas?
What is the frequency range of hearing in dogs?
Which principle is employed by the traffic police to measure the speed of the vehicles?
A group of sound waves of low pitch is called as
Sounds having different frequencies are listed below. Which of the following sounds will be inaudible?
The propagation of wave transfers
In which of the following applications can ultrasonic waves not be used?
Which of the following is true about the speed of sound?
Which of the following types of waves are emitted by bats to locate their food?
Which of the following is not a use of ultrasound?