WavesReview 1
Practice Problems


New Problems reloads the page with new variable values in all questions. You must do this after grading the test to rework it another time.
Make sure to enter your answers in the specified units .
For ALL the questions on this quiz, consider the speed of light to be 3.00E8 m/s and the speed of sound to be 3.30E2 m/s.
1
How long will it take for the sound of an explosion to reach an observer who is kilometers away?

2
A rocket is on a voyage to the moon. How long will it take a radio signal to travel from the rocket to the earth, a distance of meters?

3
A tuning fork has a frequency of hertz. What is the wavelength of the wave produced by the fork?

4
What is the frequency of light which has a wavelength in air of meters in air?

5
A lens has a focal length of centimeters. How far from the lens should an object be placed in order to form a true size image? (answer in centimeters)


Once you have submitted your answers for grading by clicking the grade button, you cannot resubmit answers for the same Problem Set--you must use the 'New Problems' button first.
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Constants Conversions calculator