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प्रश्न
Define the Resonance phenomenon?
उत्तर
Resonance: When the frequency of an externally applied periodic force on a body is equal to its natural frequency, the body readily begins to vibrate with an increased amplitude. This phenomenon is known as resonance.
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संबंधित प्रश्न
Why is a loud sound heard at resonance?
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.
A tuning fork of frequency 256 Hz will resonate with another tuning fork of frequency:
Two pendulums C and D are suspended from a wire as shown in the figure give below. Pendulum C is made to oscullate by displaying it from its mean position. It is seen that D also starts oscillating.
(i) Name the type of oscillation, C will execute.
(ii) Name the type of oscillation, D will execute.
(iii) If the length of D is made equal to C then what difference will you notice in the oscillations of D ?
(iv) What is the name of the phenomenon when the length of D is made equal to C ?
Explain why stringed musical instruments, like the guitar, are provided with a hollow box.
What are the factors that affect the frequency of a vibrating string and how do they affect the frequency?
