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Using the correspondence of S. H. M. and uniform circular motion, find displacement, velocity, amplitude, time period and frequency of a particle executing
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Mar 19, 2022
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11th Physics
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varun
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6.7k
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marks2
chapter14
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A pipe 20 cm long is closed at one end. Which harmonic mode of the pipe is resonantly excited by a 430 Hz source? Will this source be in resonance with the pipe if both the ends are
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Mar 19, 2022
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11th Physics
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varun
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6.7k
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marks2
chapter15
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Can beats be produced in two light sources of nearly equal
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Mar 19, 2022
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11th Physics
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varun
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marks2
chapter15
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A person deep inside water cannot hear sound waves produces in air.
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Mar 19, 2022
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11th Physics
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varun
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6.7k
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marks2
chapter15
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If the splash is heard 4.23 seconds after a stone is dropped into a well. 78.4 metes deep, find the velocity of sound in
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Mar 19, 2022
in
11th Physics
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varun
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6.7k
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marks2
chapter15
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How roar of a lion can be differentiated from bucking of a
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Mar 19, 2022
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11th Physics
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varun
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6.7k
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marks2
chapter15
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Give two cases in which there is no Doppler effect in
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Mar 19, 2022
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11th Physics
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marks2
chapter15
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The length of a sonometer wire between two fixed ends is 110cm. Where the two bridges should be placed so as to divide the wire into three segments whose fundamental frequencies are in the ratio of
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Mar 19, 2022
in
11th Physics
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varun
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6.7k
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marks2
chapter15
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A particle executing S.H.N. along a straight line has a velocity of um/s when its displacement from mean position is 3 m and 3 m / s when displacement is 4m. Find the time taken to travel 2.5 m from the positive extremity of its
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Mar 19, 2022
in
11th Physics
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varun
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6.7k
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marks2
chapter15
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Springs is spring constant K, 2K, 4K,
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Mar 19, 2022
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11th Physics
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varun
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6.7k
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marks2
chapter15
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A particle is moving with SHN in a straight line. When the distance of the particle from mean position has values `x_1 and x_2` the corresponding values of velocities are `v_1 and v_2`. Show that the time period of oscillation is given
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Mar 19, 2022
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11th Physics
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varun
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marks2
chapter15
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A mass = m suspend separately from two springs of spring constant `k_1 and k_2` gives time period `t_1 and t_2` respectively. If the same mass is connected to both the springs as shown in figure. Calculate the time period ‘t’ of the combined
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Mar 19, 2022
in
11th Physics
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varun
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6.7k
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marks2
chapter15
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A particles moves such that its acceleration ‘a’ is given by a = -b x where x = displacement from equilibrium position and b is a constant. Find the period of
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Mar 19, 2022
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11th Physics
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varun
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6.7k
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marks2
chapter15
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A particle is S.H.N. is described by the displacement function: → `x=A Cos(wt+Φ);w=(2pi)/T` If the initial (t = 0) position of the particle is 1 cm and its initial velocity is π cm | s, What are its amplitude and phase
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Mar 19, 2022
in
11th Physics
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varun
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6.7k
points)
marks2
chapter15
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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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Mar 19, 2022
in
11th Physics
by
varun
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6.7k
points)
marks2
chapter15
#sub
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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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Mar 19, 2022
in
11th Physics
by
varun
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6.7k
points)
marks2
chapter15
#sub
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Why are all stringed instruments provided with hollow
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Mar 19, 2022
in
11th Physics
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varun
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6.7k
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marks2
chapter15
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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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Mar 19, 2022
in
11th Physics
by
varun
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6.7k
points)
marks2
chapter15
#sub
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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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Mar 19, 2022
in
11th Physics
by
varun
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6.7k
points)
marks2
chapter15
#sub
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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
asked
Mar 19, 2022
in
11th Physics
by
varun
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6.7k
points)
marks2
chapter15
#sub
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