Concept explainers
A pianist plays note “middle C.” the sound is made by the vibration of the piano string and is propagated outward vibration string compare to the vibration in the air.
Answer to Problem 10Q
Solution:
a) Vibration on the string and the vibration air have same wavelength
b) They have same frequency
c) They have the same speed
d) Neither wavelength frequency nor speed same in the air as on the string
Explanation of Solution
Given:
A pianist plays note “middle C.” which can reach frequency and speed your ear.
Separation between conjugative crust it also contain and trough define is wavelength. Number of oscillations in one second define wave of frequency wavelength and frequency of the second speed of wave define as product.
Speed of the sound in guitar string,
Is the Speed,
is the length of the string,
is the string frequency,
One medium to another medium changes from sound. Changes Corresponding wavelength then the also wave changes.
Speed of the sound wave changes.
Above discussion its clear that the option (b)is the correct the options other are not correct
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