SAT II Physics : Velocity, Frequency, and Wavelength

Study concepts, example questions & explanations for SAT II Physics

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Example Questions

Example Question #1 : Frequency And Period

What is the wavelength of a  wave if its velocity is ?

Possible Answers:

Correct answer:

Explanation:

The relationship between wavelength and velocity is given by the equation;

The question gives us the velocity of the wave and its frequency. Using these values, we can solve for the wavelength.

Example Question #1 : Velocity, Frequency, And Wavelength

What best describes how a wave is affected when it travels from one medium to another medium?

Possible Answers:

The wavelength does not change

Both speed and frequency change

Neither speed not frequency change

The frequency changes, but the speed remains the same

The wave speed changed, but the frequency remains the same

Correct answer:

The wave speed changed, but the frequency remains the same

Explanation:

It is a property of waves that the frequency remains constant and speed changes as it passes from one medium to another. 

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