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Mini-Quiz: Waves and Obstacles

by Ron Kurtus (revised 5 January 2008)

Take this Mini-Quiz to check your understanding of the lesson material.



1. What do they call sound reflected off a distant wall?

Sound cannot be reflected

Wave motion

An echo

2. What happens to the speed of light in glass?

It becomes the speed of sound

It goes faster than in air

It goes slower than in air

3. What is diffraction?

Wave bends around edge

Wave travels like a ray

Wave is refracted

If you got all three correct, you are on your way to becoming a Champion in Physics. If you had problems, you had better look over the material again.


Ride the wave of success and don't be stopped by obstacles.


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Mini-Quiz: Waves and Obstacles




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