Advertisements
Advertisements
प्रश्न
Differentiate between the following:
Free and forced vibrations.
Advertisements
उत्तर
| Free vibrations | Farced vibrations |
| 1. When a body vibrates with its natural frequency and ti me period which is characteristic of the body itself, it is said to have free vibrations. | 1. When a body is set into vibrations with the help of a strong periodic force then the vibration is said to be forced vibration. The frequency of such vibrations may not be equal to the natural frequency of the body. |
| 2. It is difficult to realize such vibrations in practice. They can take place only in vacuum. | 2. Such vibrations can be realized in practice. |
APPEARS IN
संबंधित प्रश्न
Give one example to illustrate forced vibrations.
Describe a simple experiment to illustrate the phenomenon of resonance and explain it.
Resonance is a special case of ______ vibrations, when frequency of the driving force is ______ natural frequency of the body.
A vibrating tuning fork, held over an air column of a given length with its one end closed, produces a loud audible sound. Name the phenomenon responsible for it and explain the observation.
When a troop crosses a suspension bridge, the soldiers are asked to break steps. Explain the reason.
How do you tune your radio set to a particular station ? Name the phenomenon involved in doing so and define it.
Name the phenomenon involved in tuning your radio set to a particular station and define it.
A tuning fork of frequency 256 Hz will resonate with another tuning fork of frequency:
Explain why stringed musical instruments, like the guitar, are provided with a hollow box.
