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11th Standard English Medium Physics Subject 11th Standard English Medium Physics Subject Waves Creative 2 Mark Questions with Solution Part - II Question Bank Software Jun-23 , 2021

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11th Standard English Medium Physics Subject 11th Standard English Medium Physics Subject Waves Creative 2 Mark Questions with Solution Part - II

11th Standard English Medium Physics Subject 11th Standard English Medium Physics Subject Waves Creative 2 Mark Questions with Solution Part - II

11th Standard

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Physics

Time : 00:30:00 Hrs
Total Marks : 10
    5 x 2 = 10

  1. What is musical scale?

  2. Define reverberation time?

  3. An observer moves towards a stationary source of sound with a velocity one-fifth of the velocity of sound. What is the percentage increase in the apparent frequency?

  4. Tube A. has both ends open, while B has on end closed otherwise the two tubes are identical. What is the ratio of fundamental frequency of the tubes A and B?

  5. A train moves towards a stationary observer with speed 34 m/s. The train' sounds a whistle and its frequency registered by the observer is f1. the train's speed is reduced to 17 m/s, the frequency registered is f2. If the speed of sound is 340 m/s, then find the ratio f1/f2.

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