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Class 9 Science Chapter 12 Sound Quiz 8 (25 MCQs)

Quiz Instructions

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1. 10The audible range of sound in human ear is
2. What is a tool that makes sounds louder called?
3. In Jaws, the sound that accompanies the movement of the shark is .....
4. Choose the word that begins with the initial sound /b/.
5. Sounds that are created mainly to create atmosphere, mood and suspense are .....
6. In the following sentence what word has the long /u/ sound?-I learned to play the flute in school.-
7. What is the significance of the Doppler effect in sound?
8. Foley is the technique of recording every day sounds to enhance the audio quality of a film.
9. Did Captain Von Trapp join the Nazi Party and Navy?
10. For hearing a distinct sound, the time interval between the original sound and the reflected sound must be at least:
11. In the following sentence what word has the long /a/ sound?-I blame the weather for the snow.-
12. Sound wave is
13. Which word has the same vowel sound as caught?
14. SONAR works on the principle of:
15. Identify the initial sound in the word 'cat'.
16. What letters make the long "a" sound in able?
17. I heard the frog .....
18. I heard the duck .....
19. For its propagation sound requires .....
20. Which word has the same sound for c as cat?
21. What is amplitude in relation to sound?
22. At what age did Evelyn enter the Royal Academy of Music in London?
23. The range of audible sound for humans is:
24. In the following sentence what word has the long /i/ sound?-I love your sweet smile.-
25. The unit of intensity of sound is:
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