1. A microscope uses a mirror to light the specimen being investigated. What
property of light was being demonstrated?
A. dispersion C. refraction
B. interference D. reflection
2. What property of light was being shown on the picture?
A. dispersion C. refraction
B. interference D. reflection
3. The softness or loudness of sound is called _______________.
A. magnitude C. volume
B. reverberation D. vibration
4. The volume of a sound depends on the strength of ______________.
A. amplitude friction C. magnitude
B. friction D. vibration
5. Loudness is a measure of how strong a sound seems to us. When will the
sound becomes loud to the listener?
A. far from the source C. Both A & B
B. near the source D. same at all distances
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