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A laser with wavelength d/8 is shining light on a double slit with slit separation 0.400mm . This results in an interference pattern on a screen a distance L away from the slits. We wish to shine a second laser, with a different wavelength, through the same slits.
What is the wavelength %u03BB2 of the second laser that would place its second maximum at the same location as the fourth minimum of the first laser, if d = 0.400mm?
An AC generator supplies an rms voltage of 240 V at 60.0 Hz. It is connected in series with a 0.450 H inductor, a 3.90 ?F capacitor and a 316 ? resistor, What is the rms current through the resistor
define the dielectric constant of the dielectric.
An iron wire has a cross-sectional area of 1.14 10-5 m2. Carry out steps (a) through (e) to compute the drift speed of the conduction electrons in the wire, If the wire carries a current of 9.0 A, calculate the drift speed of conduction electrons
A nearsighted patient's far point is 0.723 m from her eyes. What is the distance between her eyes and the glasses
For a standard production car, the highest road-tested acceleration ever reported occurred in 1993, Calculate the magnitude of the car's acceleration
A jogger jogs around a circular track with the diameter of 325 m in 16 minutes. What was the jogger's average speed in m/s.
What was the power of the motor that kept the wheel rotating at 6.5 rev/hr in spite of friction.
A 21 kg block on a horizontal surface is attached to a horizontal spring of spring constant k = 2.3 kN/m, What is the kinetic energy of the block when it has moved 2.0 cm from its point of release
An old trick to find out if a train is coming is to put your ear on the rails of the track. Why is this more effective than just listening for the sounds the train makes in air.
The electron in a hydrogen atom is in the first excited state, What is the quantum number n of the state into which the electron moves
We know that a spherical charged particle of will have an external electric field of E = k q/r2, where k = 8.988×109N·m2·C-2 is the Coulomb constant, q is the charge, and r is the distance from the center of the spherical particle.
A pair of power transmission lines each have a 0.800 ? resistance and carry 694 A over 9.14 km. If the rms input voltage is 38.1 kV. Calculate the power loss in the lines
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