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A source of frequency 10kHz when viberte...

A source of frequency 10kHz when viberted over than mouth of a closed organ is in unison at 300K. The beats produced when temperature rises by 1K

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Find the increase in mass of water when 1.0 kg of water absorbs 4.2 xx 10^3 J of energy to produce a temperature rise of 1K .

A column of air at 51^(@) C and a tuning fork produce 4 beats per second when sounded together. As the temperature of the air column is decreased, the number of beats per second tends to decrease and when the temperature is 16^(@) C the two produce 1 beat per second. Find the frequency of the tuning fork.

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A closed organ pipe and an open organ pipe of some length produce 2 beats when they are set up into vibration simultaneously in their fundamental mode . The length of the open organ pipe is now halved and of the closed organ pipe is doubled , the number of beats produced will be a) 7 b) 4 c) 8 d) 2

A tuning fork of frequency 480 Hz produces 10 beats per second when sounded with a vibrating sonometer wire. What must have been the frequency of string if a slight increase in tension produces fewer beats second than before.

A source of sound of frequency 1.8kHz moves uniformly along a straight line at a distance 250m from observer. The velocity of source is 0.8C where C is the velocity of sound. Find out the frequency of sound received by observer (in kHz) at the moment when the source gets closest to him.

In two experiments with a countinous flow calorimeter to determine the specific heat capacity of a liquid,an input power of 16 W produced a rise of 10 K in the liquid. When the power was doubled, the same temperature rise was achieved by making the rate of flow of liquid three times faster. Find the power lost (in W) to the surrounding in each case.

In two experiments with a countinous flow calorimeter to determine the specific heat capacity of a liquid,an input power of 16 W produced a rise of 10 K in the liquid. When the power was doubled, the same temperature rise was achieved by making the rate of flow of liquid three times faster. Find the power lost (in W) to the surrounding in each case.

A vertical cylinder of cross-sectional area 0.1m^(2) closed at both ends is fitted with a frictionless piston of mass M dividing the cylinder into two parts. Each part contains one mole of an ideal gas in equilibrium at 300K . The volume of the upper part is 0.1m^(3) and that of lower part is 0.05m^(3) .What force must be applied to the piston so that the volumes of the two parts remain unchanged when the temperature is increased to 500K ?

A source frequency f gives 5 beats when sounded with a frequency 200Hz. The second harmonic of same source gives 10 beats when sounded with a source of frequency 420Hz. The value of f is

AAKASH SERIES-WAVE MOTION AND SOUND-PROBLEMS (LEVEL - I)
  1. An organ pipe has two successive harmonics with frequencies 400 and 56...

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  2. The fundamental frequency of a closed pipe is 220 H(Z). (a) Find the...

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  3. The fundamental frequency of a closed pipe is 220 H(Z). (a) Find the...

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  4. A source of frequency 10kHz when viberted over than mouth of a closed ...

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  5. A closed organ pipe and an open organ pipe of same length produce 2 be...

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  6. A tuning fork produces 4 beats per second with another tuning fork of ...

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  7. Two tuning forks when sounded together produce 5 beats in 2 seconds. T...

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  8. Two progressive waves y(1) = 4 sin 400 pi t and y(2) = 3 Sin 404 pi t ...

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  9. Calculate the frequency of beats produced in air when two sources of s...

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  10. Two sitar strings A and B playing the note ‘Ga’ are slightly out of tu...

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  11. The frequency of a tuning fork A is 2% more than the frequency of a st...

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  12. A man standing at some distance from a cliff hears the echo of sound a...

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  13. A motor car approaching a cliff with a velocity of 90 kmph sounds the ...

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  14. A person standing between two parallel hills fires a gun. He hears the...

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  15. A tuning fork of unknown frequency makes 5 beats per second with anoth...

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  16. A traffic policeman standing on a road sounds a whistle emitting the m...

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  17. A person riding a car moving at 72 km h^-1 sounds a whistle emitting a...

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  18. A person riding a car moving at 72 km h^-1 sounds a whistle emitting a...

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  19. A car moving at 108 km/h finds another car in front of it going in the...

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  20. A tuning fork of frequency 328 Hz is moved towards a wall at a speed o...

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