SCIENCE 1117 CU 3

reflection of sound waves

• resonance
• overtones
• echo

apparent change in pitch as a sound moves past

• reverberation
• pulsations
• Doppler effect

reinforcement of a sound resulting from the vibration of one object causing the vibration of another.

• reverberation
• overtones
• resonance
• pulsations

repeated echoing sound

• resonance
• overtones
• reverberation

beats occurring when two pitches are out of phase

• echo
• pulsations
• fundamental tone

beats occurring when two pitches are out of phase

• resonance
• overtones
• sonar
• pulsations

secondary vibrations causing a fainter musical tone

• pulsations
• overtones
• resonance
• reverberation

sound navigation and ranging

• fundamental tone
• echo
• Doppler effect
• sonar

If an echo is to be heard at the source of the _____ sound, it must be reflected at an angle of 90 degrees.

In the design and construction of auditoriums, ________ is the primary concern of acoustical engineers.