Production and Propagation of Sound
Production and Propagation of Sound: Overview
In this topic, we will learn to produce sounds by striking, rubbing, blowing, plucking, stretching and shaking. It discusses various mediums through which sound can travel in the form of mechanical waves.
Important Questions on Production and Propagation of Sound
Do the mediums that transmit sound waves be elastic? Also mention the other requisites of medium which transmit sound waves.
What are the requisites for the medium to transmit sound waves?
Sound waves need an elastic medium to transfer sound.
Explain about the three main characteristics of wave motion.
In wave motion, the particles of the medium vibrate about their mean positions.
Wave motion is the flow of energy when the particles of the medium move about their mean positions.
What are the important characteristics of wave motion?
A single disturbance produced in a slinky is called
The part of the instrument which vibrates to produce sound in a guitar is
The amount of sound energy passing each second through unit area is called the _____ of sound.
The loudness of sound depends on
Sound is produced in humans by the vibration of which of these body parts?
Sound waves are mechanical waves because
If an object oscillates times in one second, What would be its frequency?
Through which of the following mediums, sound can travel?
What is essential for production of sound?
Divisha and her friend Smita are on the moon. They wanted to share their experiences and feelings. What values do we learn from Divisha and Smita?
Kriti was feeling bored. Her friend Khushi took a scale. She placed it on a table end and flicked it to produce a musical sound. Kriti was pleased at Khushi's gesture to entertain her. What values are learnt from Khushi?
The distance between two consecutive rarefactions is known as _____.
Which object vibrates when the following sounds are produced:
Sound of buzzing of a bee or mosquito.
