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. What is the audible range of human
#2. What is the range of frequencies associated with infrasound
#3. When we change feeble sound to loud sound, we increase its
#4. What is the range of frequency associated with ultrasound
#5. Sound travels in air if
#6. Note is a sound
#7. The distance between two consecutive compression or rarefaction in wave is
#8. In the diagram, half wavelength is
#9. In SONAR, we use
#10. A key of a mechanical piano struck gently & then struck again but much harder this time. In second case
#11. Infrasound can be heard by
#12. The physical quantity that will remain unchanged after reflection of sound wave
#13. Earthquake produces which kind of sound before the main shock wave begins
#14. Note is a sound
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To Be Continued