Production and Propagation of SoundPractice Questions & MCQs
Practice Production and Propagation of Sound questions from Sound (Class 9 Science) - important MCQs with answers and step-by-step solutions. Solve the sample questions below, then practice the full set free on the RankByte app.
Production and Propagation of SoundQuiz - Solve & Score
Q1. A factory siren sounds at the start of a shift. If the air carries sound at 340 m/s, how long does the noise take to reach a worker standing 1700 m away?
- A.2.5 s
- B.6 s
- C.5 s
- D.578000 s
Answer: C. 5 s
time = distance / speed = 1700 / 340 = 5 s.
Q2. A loudspeaker at a stadium plays an announcement. Travelling at 343 m/s through the air, how many seconds later does the sound arrive at a fan seated 6860 m from the speaker?
- A.20 s
- B.10 s
- C.2352980 s
- D.21 s
Answer: A. 20 s
time = distance / speed = 6860 / 343 = 20 s.
Q3. Fireworks burst high above a town. With sound moving at 330 m/s, what time elapses before a child 9900 m away hears the bang?
- A.3267000 s
- B.31 s
- C.15 s
- D.30 s
Answer: D. 30 s
time = distance / speed = 9900 / 330 = 30 s.
Master Production and Propagation of Sound on RankByte
Step-by-step solutions, mock tests, live ranks and streaks - free to start.
Get early accessProduction and Propagation of Sound - Frequently asked questions
Where can I practise Production and Propagation of Sound questions for Class 9 Science?
RankByte has Production and Propagation of Sound practice questions and MCQs from Sound (Class 9 Science), each with the correct answer and a step-by-step solution - free to start.
Are these Production and Propagation of Sound questions important for the exam?
Yes. These Production and Propagation of Sound important questions follow the Science exam pattern (CBSE Boards, plus JEE and NEET foundation), so they help with both school and competitive prep.
Do the Production and Propagation of Sound questions come with answers and solutions?
Every Production and Propagation of Sound question on RankByte comes with the correct answer and a full step-by-step solution, so you learn the concept instead of just guessing.