Advertisements
Advertisements
प्रश्न
Explain Why are stringed musical instruments provided with large sound boxes?
Advertisements
उत्तर
The larger soundbox contains a large amount of trapped air. When the vibrations of the vibrating string are impressed upon the air, it starts vibrating with forced vibrations. As a large volume of enclosed air vibrates, a loud sound is produced.
संबंधित प्रश्न
Name the phenomenon involved in tunning a radio set to a particular station
How does the medium affect the amplitude of free/natural vibrations of a body?
Distinguish between the free (or natural) and forced vibrations.
In following figure shows two tuning forks A and B of the same frequency mounted on two separate sound boxes with their open ends facing each other. The fork A is set into vibration.
- Describe your observation.
- State the principle illustrated by this experiment.

Differentiate between the following:
Free and forced vibrations.
Give two examples of forced vibrations.
Explain why does the rear mirror of a motorbike start Vibrating Violently, at some particular speed of motorbike?
A string stretched between its ends is made to vibrate by placing the stem of a vibrating tuning fork at its one end. State three ways how you will increase the frequency of note produced by the string.
What do you understand by free (or natural) vibrations?
What are the factors that affect the frequency of a vibrating string and how do they affect the frequency?
