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Determine the time period of a simple pendulum of length = l when mass of bob = m
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Velocity of sound increases on a cloudy day.
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Sound of maximum intensity is heard successively at an interval of 0.2 second on sounding two tuning fork to gather. What is the difference of frequencies of two tuning
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If two sound waves has a phase difference of `60^o`, then find out the path difference between the two
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If string wires of same material of length l and 2l vibrate with frequencies 100HZ and 150 HZ. Find the ratio of their
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Two similar sonometer wires of the same material produces 2 beats per second. The length of one is 50cm and that of the other is 50.1 cm. Calculate the frequencies of two
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Why are all stringed instruments provided with hollow
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Two waves have equations:- `X_1=a Sin(wt+phi_1)' 'X_2=a Sin(wt+phi_2)`X If in the resultant wave, the amplitude remains equal to the amplitude of the super posing waves. Calculate the phase difference between X1 and
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A Tuning fork of frequency 300HZ resonates with an air column closed at one end at `27^oC`. How many beats will be heard in the vibration of the fork and the air column at `0^oC`
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A vehicle with horn of frequency ‘n’ is moving with a velocity of `30m|s` in a direction perpendicular to the straight line joining the observer and the vehicle. If the observer perceives the sound to have a frequency of `n+n_1`. Calculate
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We cannot hear echo in a room.
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Show that the frequency of nth harmonic mode in a vibrating string which is closed at both the end is ‘n’ times the frequency of the first harmonic
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If the displacement of two waves at a point is given by:-`Y_1=a sin wt``Y_2=a sin (wt+pi/2)`Calculate the resultant
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Why do the stages of large auditoriums gave curved
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Show that Doppler effect in sound is
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An organ pipe P1 closed at one end vibrating in its first overtone and another pipe P2 open at both the ends vibrating in its third overtone are in resonance with a given tuning fork. Find the ratio of length of P1 and
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Mar 19, 2022
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marks2
chapter15
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A simple Romanic wave has the equation`Y = 0.30 Sin (314 t – 1.57x)`t = sec, x = meters, y = cm. Find the frequency and wavelength of this wave.Another wave has the equation`Y1 = 0.1 Sin (314 t – 1.57x + 1.57)`Deduce the phase difference and ratio of intensities of the above two
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Mar 19, 2022
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Two parts of a Sonometer wire divided by a movable knife differ by 2 mm and produce one beat per record when sounded together. Find their frequencies if the whole length of the wire is 1
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Mar 19, 2022
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marks2
chapter15
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The component waves producing a stationary wave have amplitude, Frequency and velocity of 8 cm, 30HZ and 180 cm/s respected. Write the equation of the stationary
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Mar 19, 2022
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11th Physics
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chapter15
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A wine of density a g/`cm^3` is stretched between two clamps 1 m apart while subjected to an extension of 0.05 cm. What is the lowest frequency of transverse vibration in the wire? Let young’s Modulus = `y = 9 xx10^(10)N`/`m^2`
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Mar 19, 2022
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