Question

1.How many vibrations per second are represented in a radio wave of 101.7 MHz

2.The speed of a wave on a string depends on:
a.the material properties of the string
b. the amplitude of the wave
c.both

3.The time interval for one repetition of the cycle in simple harmonic motion is called the

a.period
b.amplitude
c.phase
d.frequency
1. Hint: 1 MHz = 1 million vibrations per second.

2. Hint: It isn't b

3. Hint: which answer has dimensions of time?

Please give us an idea of your thought process when posting questions. You won't learn any physcs by having someone else do your multiple choice "concept" questions.
3) period

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