Physics question and answers for March 23, 2024
- Q 13 A uniform wire of length L diameter D and density p is stretched under a tension T The correct relation between its fundamental frequency f the length L and...
- Q Q1 The equation of a wave travelling along a very long string is given by y 6 0 sin 0 02T X 4 0 TT t in C G S...
- Q 010 A damped harmonic oscillator has the amplitude of 20 cm It reduces to 2 cm after 100 oscillations each of period 4 6 s Calculate the logarithmic decrement and...
- Q A train moving at a speed of 220 ms towards a 31 fareft feere areg oft 3220 ms7 1000 Hz stationary object emits a sound of frequency 1000Hz Some of...
- Q 3 5 s day 4 20 min day A man standing between two cliffs hears the first 9 echo of a sound after 1 5 sec and the second echo...
- Q A wire of length t having tension T and radius 33 r vibrates with fundamental frequency f Another wire of the same metal with length 20 having tension 2T and...
- Q 3 The equation of a travelling wave is y a sin 2x 3 Then the ratio of maximum particle velocity to wave velocity is 1 5 3 2 a 2...
- Q A block with mass m is located at position x 0 on a horizontal table A spring with spring constant k and relaxed length zero is connected to it and...
- Q Question No 3 A block with mass m is located at position x 0 on a horizontal table A spring with spring constant k and relaxed length zero is connected...
- Q 19 A metallic wire of lenght Larea of cross section A and youngs modulus Y is extended to lenght I by suspending a rigid body of mass M from one...
- Q 12 A student performed the experiment to measure the speed of sound in air using resonance air column method Two resonances in the air column were obtained by lowering the...
- Q If the ratio of amplitudes of wave in two different strings is 2 1 and frequency ratio of wave is 1 2 then ratio of power transmitted through the strings...
- Q Example 4 A triangular wave pulse moving at 2 cm s on a rope approached an end at which it is free to slide on a vertical pole 2 cm...
- Q The thickness at the centre of a plano convex lens is 3 mm and the mat diameter is 6 cm If the speed of light in the material of the...
- Q The graph shows variation of source voltage V and steady state current I drawn by a series RLC circuit Identify correct statement s 400 0 400 ImA S 05 10...
- Q Two uniform strings A and B formed of steel are made to vibrate under the same tension If the first overtone of A is equal to the second overtone of...
- Q amplitude m wave IS represented by expression Vm 5 1 0 6 cos 6280f sin 211 x 10 t volts The minimum and maximum amplitudes of the amplitude modulated wave...
- Q 1 between interface with velocity Line PQ and RS are the interface of medium 1 and medium 2 respectively A car is running in 3v towards right as shown in...
- Q The vibrations of a string of length 40 cm fixed at both ends are represented by the equation y 4 sin cos 96mt where x and y are in cm...
- Q Physics Question Palette Question No 30 A simple harmonic oscillator of angular frequency 50 Hz is attached to the ends of a chord that has a mass density of 0...
- Q 38 Three waves of equal frequency having amplitudes 12 4 and 8 unit meet at a point with successive phase difference of Amplitude of resulting wave will be 1 24...
- Q 7 Electromagnetic wave of intensity 1800 W m falls on a completely absorbing spherical surface having radius R as shown in the figure R 3 cm Force exerted by beam...
- Q D pick the right answer O ME the polarisation of the propagation medium the frequency dependence of the properties of the propagation medium the losses in the propagation medium the...
- Q separation between the plates 6 A prism of refractive index u and refractin angle A is placed in the minimum deviation position If the angle of minimum deviation is then...
- Q Consider the superposition of N harmonic waves of equal amplitude and frequency If N is a very large number determine the resultant intensity in terms of the intensity Io of...
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