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Jet planes which move with speeds greate...

Jet planes which move with speeds greater than the speed of sound are called `"_____"`

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supersonic jets
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PEARSON IIT JEE FOUNDATION-WAVES MOTION AND SOUND -Level 1
  1. Velocity of sound in solids is affected by their density .

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  2. The fundamental frequency of a stretched string is directly proportion...

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  3. Jet planes which move with speeds greater than the speed of sound are ...

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  4. If the motion of an object repeats itself at regular intervals of time...

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  5. The velocity of sound is "" when the density of a gas is quadrupted , ...

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  6. In stationary wave, phase difference between two particles can't be pi...

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  7. What is the audible range of the average human ear ?

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  8. Calculate the frequency of fifth harmonic of a closed organ pipe of le...

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  10. The fundamental frequency of a stretched string is given by "". (l ,...

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  11. The special technique used in ships to calculate the depth of ocean be...

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  12. The following graph shows the displacement of the bob from its mean po...

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  13. The minimum distance between the particles in a medium vibrating in sa...

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  14. The velocity of ultrasonic sound in water is 1400 m s^(-1) . The depth...

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  15. The tunning of a radio transistor is based on the principle of "".

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  16. If the fundamental frequency of a wave in an open pipe is 540 Hz , the...

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  17. The minimum distance to hear an echo is (Taking the velocity of sound ...

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  18. A medium should posses the property of "" for the propagation of mecha...

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  19. The velocity of sound in a gas is 30 m s^(-1) at 27^(@)C . What is the...

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  20. If the direction of the vibration of particles is parallel to the dire...

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