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Which of the following statement is inco...

Which of the following statement is incorrect?

A

Changes in pressure have no effect on the speed of sound

B

The speed of sound in water is higher than in air

C

Changes in temperature have no effect on the speed of sound

D

Frequency of sound wave does not change while travelling in different medium

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AAKASH INSTITUTE ENGLISH-TEST 4-EXAMPLE
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  2. A simple pendulum has time period T1. The point of suspension is now ...

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  3. Which of the following statement is incorrect?

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  4. If two SHMs are represented by equations y1= 4 sin[3pit + (pi/3)], y2=...

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  5. If at t = 0, a travelling wave pulse on a string is described by the f...

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  6. Two masses m(1) and m(2) are suspended together by a massless spring ...

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  7. A block of mass m1 resting on a frictionless horizontal surface is con...

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  8. A body moves along a straight line OAB simple harmonically. It has zer...

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  9. If a spring of force constant 'k' is cut into two parts, such that one...

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  10. If the fundamental frequency of a closed of pipe is equal to the first...

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  11. A coin is placed on a horizontal platform which undergoes vertical SHM...

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  12. A particle at the end of a spring executes SHM with a period t(1)Whi...

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  13. If v1 and v2 denote the sound velocity'and root mean square velocity o...

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  14. When sound is produced in an aeroplane moving With a velocity of 200. ...

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  15. A simple harmonic progressive wave is represented by the equation- y =...

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  16. For a certain organ pipe, three successive resonance frequencies are o...

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  17. The frequency of tuning forks A and B are respectively 5% more and 4% ...

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  18. Two wires are in unison. If the tension in one of the wires is increas...

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  19. A transverse wave pulse is generated at the free end of a string which...

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  20. The stationary wave y = 2a sin kx cosomegat in a closed organ pipe is ...

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