English

Give Two Examples of Forced Vibrations. - Physics

Advertisements
Advertisements

Question

Give two examples of forced vibrations.

Short/Brief Note
Advertisements

Solution

(i) The vibrations produced in the board of a guitar when its string is made to vibrate.
(ii) The vibrations produced in the tabletop when the stem of a vibrating tuning fork is pressed against it.

shaalaa.com
  Is there an error in this question or solution?

RELATED QUESTIONS

Describe a simple experiment to illustrate the phenomenon of resonance and explain it.


In following figure shows  A, B, C and D are four pendulums suspended from the same elastic string XY. Lengths of pendulum A and D are equal, while the length of pendulum B is smaller and the pendulum C is longer. The pendulum A is set into vibration.
(a) what is your observation? (b) Give reason for your 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.


Differentiate between forced vibrations and resonance.

In Fig. A, B, C and D are four pendulums suspended from the same elastic string XY. The lengths of pendulum A and D are equal, while the length of pendulum B is shorter and of the pendulum C is longer. Pendulum A is set into vibrations.

  1. What is your observation about the vibrations of pendulum D?
  2. Give reason for your observation in part (a).
  3. What type of vibrations take place in pendulums Band C?
  4. Give reason for the answer in part (c).

Differentiate  between the following: 

 Radio waves and light waves.


Give the physical explanation for the difference between musical sounds and noises.

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 forced vibrations?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×