Sound
| Description: Test in Sound chapter of Class 7 | |
| Number of Questions: 17 | |
| Created by: Girish Goud | |
| Tags: Vibration frequency amplitude wavelength timbre pitch Fundamentals of Sound Sound Sound Quality |
The approximate speed of sound in iron is
Which of the following is the source of sound?
What is the speed of sound in air at room temperature?
The speed of sound will be maximum in which of the following?
Which of the following simple instruments is used to produce the sound of a fixed frequency?
Which is the correct order of the speed of sound?
If a drum is hit gently, why is a soft sound produced?
Which of the following relations is correct?
Which of the following is the correct S.I. unit of frequency?
The Galton whistle heard by the dogs, produces which kind of vibrations?
Which of the following is/are the uses of Ultrasonic vibrations?
The maximum displacement of a wave on either side of its mean position is known as
When we pluck a wire of violin and sitar, the notes produced are different. This is referred to as which of the following?
Why does the chirping of birds appear shrill to the ear?
Which of the following is the S.I Unit of measuring sound pressure level?
Sonar fitted in ships helps to find
Why is the roaring of a lion loud?