Advertisements
Advertisements
प्रश्न
Give reason for the following :
In most of the cases, we cannot see the vibrations of a sound producing object with our eyes.
Advertisements
उत्तर
Mostly, a sound-producing object vibrates at a faster rate that we cannot see its vibrations with our naked eyes. The time interval between two successive vibrations is less than the persistence of vision. Hence, we see the object in static mode rather than in vibration mode.
APPEARS IN
संबंधित प्रश्न
How does the sound produced by a vibrating object in a medium reach your ear?
What is sound and how is it produced?
Describe an experiment to show that each source of sound is a vibrating body.
Explain why you can predict the arrival of a train by placing your ear on the rails without seeing it.
What is the SI unit of frequency?
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.
A key of mechanical piano is first struck gently and then struck again but much harder this time. In the second case :
The total number of compressions and rarefactions produced per second in a sound wave is 1000. The frequency of the sound wave is __________.
You and your friend are on the moon. Will you be able to hear any sound produced by your friend?
______ is produced when an object is set to vibrate.
