WebSound Class 9 MCQ Chapter 12 Question 1. Note is a sound. (a) of mixture of several frequencies. (b) of mixture of two frequencies only. (c) of a single frequency. (d) always unpleasant to listen. Answer. Sound MCQ Class 9 Chapter 12 Question 2. A key of a mechanical piano struck gently and then struck again but mush harder this time. WebThis page is prepared by academic team of Physics Wallah for Chapter 12 - Sound.Get MCQ based objective questions and HOT Questions with solution for Chapter 12 - Sound. Extra Questions for Chapter 12 - Sound. Go for Online Quiz for class 9.
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WebSound Class 9 MCQ Chapter 12 Question 1. Note is a sound. (a) of mixture of several frequencies. (b) of mixture of two frequencies only. (c) of a single frequency. (d) always … WebAug 30, 2024 · ICSE Class 9th Physics 7 – Sound MCQs. A source produces 60 crests and 60 troughs in 0.6 second. Then, the time period of the wave is ____ s. 100. 1000. … indonmesia
MCQ Questions for ICSE Class 9 Physics Chapter 7 Sound Multiple
WebChoose 1 answer: Sound waves can propagate as longitudinal or transverse waves, depending on the transmitting medium. A. Sound waves can propagate as longitudinal or transverse waves, depending on the transmitting medium. Sound waves are transverse waves and they propagate perpendicular to the transmitting medium. B. WebMar 16, 2024 · Q.11. An observer standing between two cliffs fires a gun. He hears one echo after 1.5 s and another after 3.5 s. If the speed of sound is 340 m/s, find (a) the distance of the observer from the first cliff and (b) distance between the cliffs. Q.12. A boy stands 60m in front of a tall wall and claps. WebMay 26, 2024 · a. playing the instrument without a reed on the mouthpiece. b. opening or closing holes on the sides of the instrument. c. blowing harder through the instrument’s … loe father zodac