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Online Test | MCQ Sound | NCERT Class 9 Science Chapter 12 | CBSE Syllabus
Every student of class 9 of NCERT/CBSE syllabus may take part this online test of NCERT Class 9 Science Chapter 12 MCQ Sound and verify his score to check preparedness
#1. In SONAR, we use
#2. The distance between two consecutive compression or rarefaction in wave is
#3. Sound travels in air if
#4. The physical quantity that will remain unchanged after reflection of sound wave
![](https://www.9thscience.com/wp-content/uploads/2022/06/Sound-Model.jpg)
#5. In the diagram, half wavelength is
#6. What is the range of frequency associated with ultrasound
#7. When we change feeble sound to loud sound, we increase its
#8. Note is a sound
#9. Infrasound can be heard by
#10. What is the audible range of human
#11. What is the range of frequencies associated with infrasound
#12. Earthquake produces which kind of sound before the main shock wave begins
#13. Note is a sound
#14. A key of a mechanical piano struck gently & then struck again but much harder this time. In second case
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To Be Continued