How do you change the frequency of the vibrator? You can\'t; the frequency of th

Question

How do you change the frequency of the vibrator? You can't; the frequency of the vibrator is constant. Move the "key" or other object that creates a node. Change the amount of mass hanging from the string. Turn the knob on the vibrator. in the long tube, If there is a node at one end and an antinode at the other, then which could be the length of the tube? lambda/4 lambda/2 lambda/3 If two oscillators connected to speakers create frequencies or 595 Hz and 593 Hz. what is the teat frequency when you hear both at the same time? 593 x If the second harmonic has a frequency of 348 Hz, what is the frequency of the third harmonic? Hz

Explanation / Answer

distance between node and antinode = lambda/4

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beat frequency = f2 - f1 =598 - 595 = 3 Hz <<<=======answer

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If fo is the fundamental frequency

IN closed pipe

second harmonic f2 = 2*fo

third harnonic f3 = 3*fo

f3/f2 = (3/2)

f3 = f2*(3/2)

f3 = 348*(3/2)

f3 = 522 Hz <<<========answer

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