Advertisements
Advertisements
प्रश्न
Resonance is a special case of ______ vibrations, when frequency of the driving force is ______ natural frequency of the body.
Advertisements
उत्तर
Resonance is a special case of forced vibrations, when frequency of the driving force is equal to the natural frequency of the body.
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?
When a body vibrates under a periodic force, the vibrations of the body are ______.
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 ?
When acoustic resonance takes place, a loud sound is heard. Why does this happen? Explain.
State two ways in which resonance differs from forced vibrations.
Explain why are soldiers asked to walk out of step while crossing bridges?
Explain why does the rear mirror of a motorbike start Vibrating Violently, at some particular speed of motorbike?
Describe a simple experiment to illustrate the phenomenon of resonance and explain it.
