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A stretched wire emits a fundamental not...

A stretched wire emits a fundamental note of2 56 Hz. Keeping the stretching force constant and reducing the length of wire by 10 cm, the frequency becomes 320 Hz, the original length of the wire is

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SL ARORA-Waves-EXERCISE
  1. A stretched wire emits a fundamental note of2 56 Hz. Keeping the stret...

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  2. A radio station broadcasts its programme at 219.3 metre wavelength. De...

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  3. The audible range of a human ear is 20 Hz to 20 kHz. Convert this into...

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  4. The speed of a wave in a mediium is 960ms^(-1). If 3600 waves are pass...

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  5. If the splash is hear 4.23 seconds after a stone is dropped into a wel...

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  6. A stone is dropped into a well and its splash is heard at the mouth of...

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  7. A body sends waves 100mm long through medium A and 0.25m long in mediu...

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  8. A steel wire 70cm long has a mass of 7.0g. If the wire is under a tens...

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  9. The speed of a transverse wave in a stretched string is 348 ms^(-1), w...

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  10. Calculate the velocity of transverse wave in a copper wire 1 mm^(2) in...

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  11. A wave pulse is travelling on a string of linear mass density 1.0 g cm...

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  12. The diameter of an iron wire is 1.20 mm. If the speed of transverse wa...

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  13. The speed of sound in a liquid is 1500 ms^(-1).The density of the liqu...

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  14. The longitudinal waves starting from a ship return from the bottom of...

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  15. At 10^5 Nm^(-2) atmospheric pressure the density of air is 1.29 kg m^(...

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  16. At normal temperature and pressur, 4g of He occupies a volume of 22.4 ...

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  17. Find the temperature at which the velocity of sound in air will be 1 1...

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  18. The velocity of sound in air is 332 ms^(-1) at 0^@ C .At what temperat...

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  19. The ratio of the velocity of sound in Hydrogen gas (gamma=7/5) to that...

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  20. An observer sets his watch by the sound of a signal fired from a tower...

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  21. A sound wave propagating in air has a frequency of 4000Hz. Calculate t...

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