Revision – Waves & Sound
Physics · Grade 11 · Week 49 · 25 questions
In Grade 11 physics, Revision introduces you to Waves & Sound. Mastering these ideas sharpens your problem-solving for numericals and conceptual questions alike.
What you'll practise
- Analyse Waves & Sound
- Work through NCERT intext examples and exercise questions for revision
- Apply revision concepts to NCERT exercise and exemplar problems
All 25 questions in this Revision – Waves & Sound quiz
Grade 11 Physics — Revision – Waves & Sound: 25 practice questions with instant scoring and explanations.
- Wave carries:
- Sound is:
- Speed of sound in solid > gas because:
- Laplace formula: v = :
- v, f, λ relation:
- String fixed at both ends, fundamental = :
- Closed organ pipe fundamental = :
- Open organ pipe fundamental = :
- Closed pipe has only:
- Open pipe has:
- Node is point of:
- Antinode is point of:
- Distance between adjacent nodes:
- Beats frequency = :
- Doppler for approaching source:
- Doppler for receding source:
- Red-shift in astronomy indicates:
- Speed of sound in air at 0°C:
- Audible range humans:
- Ultrasonic uses include:
- Intensity of sound ∝ :
- Sound level (dB) = :
- Increase in intensity by 10× corresponds to:
- Pitch depends on:
- Quality (timbre) depends on:
Question 1 of 250 correct so far