Unit 11 · Sound
15 randomly selected questions from a bank of 60 · one attempt · 15 minutes on the clock.
Topics covered
- Production of sound by vibrating sources, and the longitudinal nature of sound waves (compression and rarefaction)
- Why a medium is required to transmit sound waves, demonstrated by the electric bell jar experiment
- Direct methods for determining the speed of sound in air, and the speeds of sound in solids, liquids, and gases
- Factors affecting the speed of sound — temperature and humidity — with worked numerical problems
- How the shape of a sound wave (on an oscilloscope) relates to quality, pitch, and loudness
- Noise as a nuisance, and the reflection of sound producing an echo
- Ultrasound — the audible frequency range, and applications in industry (cleansing, flaw detection) and medicine (SONAR, echocardiography, ultrasonography)
Please fill in your name, class and roll/GR# to start the quiz.
Question 1 of 15
⏱ 15:00
Question Palette
Not answered
Answered
Current
Reference
Quiz Result
0
Total Qs
0
Correct
0
Wrong
0%
Percentage
0:00
Time Taken
Answer Review — Step by Step Solutions
Leaderboard
All attempts on this device, stored locally with a unique session ID.
| # | Name | Class | Roll/GR# | Correct | % | Status | Date |
|---|