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प्रश्न
A tuning fork of frequency 256 Hz will resonate with another tuning fork of frequency:
पर्याय
128 Hz
256 Hz
384 Hz
512 Hz
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उत्तर
A tuning fork of frequency 256 Hz will resonate with another tuning fork of frequency 256 Hz.
Hint: Resonance occurs when the frequency of an externally applied periodic force on the body is equal to its natural frequency.
संबंधित प्रश्न
What are mechanical waves?
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.
Distinguish between the free (or natural) and forced vibrations.
Why is a loud sound heard at resonance?
Why are the stringed instruments like guitar provided with a hollow sound box?
On keeping the stem of a vibrating tuning fork on the surface of a table, a loud sound is heard. Give reason.
Explain why stringed musical instruments, like the guitar, are provided with a hollow box.
State two ways in which resonance differs from forced vibrations.
Explain a person walking past a railway line, in the middle of night hears a ringing sound along with the sound of his footsteps.
