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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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Can beats be produced in two light sources of nearly equal

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A person deep inside water cannot hear sound waves produces in air.

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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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How roar of a lion can be differentiated from bucking of a

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Explain briefly the analytical method of formation of

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Give two cases in which there is no Doppler effect in

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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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What is the relation between uniform circular motion and

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What is the minimum condition for a system to execute

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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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Springs is spring constant K, 2K, 4K,

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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

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

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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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Show that the total energy of a body executing SHN is independent of

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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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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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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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