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 .
A particular mechanical wave takes 0.037 seconds to travel centimeters. Find the speed of the wave in m/sec.

A sound wave moves at 335 m/sec and has a frequency of Hz. What is the wavelength of the sound?

A ray of light strikes a reflecting surface. If the angle between the ray and the surface is degrees, then the angle of reflection will be ... degrees.

A ray of light strikes a reflecting surface. The ray makes an angle of degrees with the surface. The angle between the incident and reflected rays will be ... degrees.

How long (in seconds) will it take to generate one vibration of a wave having a frequency of cy/sec?

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