Advertisements
Advertisements
प्रश्न
On keeping the stem of a vibrating tuning fork on the surface of a table, a loud sound is heard. Give reason.
Advertisements
उत्तर
When the vibrating tuning fork's stern is pressed against a table's surface, the forceful vibrations create a loud sound on the surface.
APPEARS IN
संबंधित प्रश्न
The adjacent diagram shows three different modes of vibrations P, Q and R of the same string.
(i) Which vibration will produce a louder sound and why?
(ii) The sound of which string will have maximum shrillness?
(iii) State the ratio of wavelengths of P and R.
How does the medium affect the amplitude of free/natural vibrations of a body?
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.
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.
How do you tune your radio set to a particular station ? Name the phenomenon involved in doing so and define it.
(i) Define resonant vibrations.
(ii) Which characteristic of sound, makes it possible to recognize a person by his voice without seeing him?
State two ways in which resonance differs from forced vibrations.
The rearview mirror of a motorbike starts vibrating violently at some particular speed of the motorbike, what could be done to stop the violent vibrations.
