English

How does the medium affect the amplitude of free/natural vibrations of a body?

Advertisements
Advertisements

Question

How does the medium affect the amplitude of free/natural vibrations of a body?

One Line Answer
Advertisements

Solution 1

The presence of the medium offers some resistance to motion, so the vibrating body continuously loses energy due to which the amplitude of the vibration continuously decreases.

shaalaa.com

Solution 2

The medium offers some resistance due to which the amplitude of vibrations decreases with time.
shaalaa.com
  Is there an error in this question or solution?
Chapter 7: Sound - EXERCISE-7 (B) [Page 164]

APPEARS IN

Selina Concise Physics [English] Class 10 ICSE
Chapter 7 Sound
EXERCISE-7 (B) | Q 13. | Page 164
Frank Physics Part 2 [English] Class 10 ICSE
Chapter 3 Sound
Graded Assignment 3.2 | Q 14. | Page 197

RELATED QUESTIONS

What are forced vibrations? 


Why are the stringed instruments like guitar provided with a hollow sound box?


When a body vibrates under a periodic force, the vibrations of the body are ______.


Explain the phenomenon of resonance giving examples.

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).

Give two examples of resonance from daily life.

A bucket kept under a running tap is getting filled with water. A person sitting at a distance is able to get an idea when the bucket is about to be filled.
(i) What change takes place in the sound to give this idea?
(ii) What causes the change in the sound?


Explain a tuning fork (vibrating) is held close to ear. One hears a faint sound. The same vibrating tuning fork is placed on table, such that its handle is in contact with table, one hears a loud sound.


A vibrating tuning fork is placed over the mouth of a burette filled with water. The tap is opened and the water level gradually falls. It is observed that the sound becomes the loudest for a particular length of the air column. What is the name of the phenomenon taking place when this happens? Why does the sound become the loudest?


What do you understand by forced vibrations?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×