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Find the speed of the wave
A copper wire, whose cross-sectional area is 1.1 x 10-6 m2has a linear density of 7.0 x 10-3kg/m and is sturng between two walls. At the ambient temperature, transverse wave travels with a speed of 46 m/s on this wire. The coefficient of line is expansion for copper is 17 x 10-6(C)-1 and Young's modulus for copperis 1.1 x 1011 N/m2. What will be the speed of the wave when the temperature is lowered by 14 C? Ignore any change in the linear density caused by the change in temperature.
why soft iron is used in earphone
For the oscilloscope display of a pulse waveform shown in Figure, the 'time/cm' switch is on 50ms/cm and the 'volts/cm' switch is on 0.2V/cm. Verify (a) The periodic time
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what are they and how do you measure them
Kerr effect (J. Kerr; 1875): The ability of certain substances to refract light waves differently whose vibrations are in distinct directions while the substance is placed wit
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