PDF chapter test TRY NOW
1. Describe with diagram, how compressions and rarefactions are produced.
a. Sound is a form of .
b. Particles are crammed together in .
c. Particles are spread apart in .
d. Rarefaction is also know as
2. Verify experimentally the laws reflection of sound.
a. The angle of incidence of sound is equal to the angle of .
b. The normal, incident sound, and reflected sound are all in the .
c. Angle of incidence is denoted by the letter .
d. Angle of refraction is denoted by the letter .
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