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A beam of polarized light has an average intensity of 15 W/m^2and is sent through a polarizer. The transmission axis makes anangle of 25 degrees with respect to the direction of polarization.Determine the rms value of the electric field of the transmitted beam.
A count rate meter is used to measure the activity of a given sample. At one instant, the meter shows 4.750 counts/min. Five minutes later, it shows 2700 counts/min.
A life preserver made of Styrofoam is designed to support a person weighing 575 N, with 80% of the body and 90% of the preserver submerged, Find the volume of Styrofoam required
In a calorimetry experiment an unknown amount of steam at 100 C is added to 1.5 kg of ice at 0C in a well insulated and sealed container. What is the mass of steam which was added to the ice
My flashlight beam makes an angle of 60° with the surface of the water before it enters the water. what angle does the beam make with the surface
X rays of wavelength 0.0196 nm are directed in the positive direction of an x axis onto a target containing loosely bound electrons. determine the corresponding change in photon energy
a series of pulses each of amplitude0.150m are sent down a string that is attached to a post at one end. the pulses are
An LC circuit has zero resistance, no battery, a capacitor C=46microFarads, and an inductor L=0.2H connected in a simple loop. What is the area of one of the plates
A beam of light strikes the plane surface of borate flint glass at an angle of incidence of 57°. How much smaller is the angle of refraction for violet light of wavelength 400 nm than that for red light of wavelength 700 nm
q1. a bucket filled with water has a mass of 20 kg and is attached to a rope which in turn is wound around a 0.050-m
An object is placed 17 cm to the left of a converging lens of focal length 30 cm. Find the position and magnification of the final image
One gallon of gasoline contains 3.1 107 calories of potential energy that are released during combustion. what is the average force produced by the gasoline
question monochromatic light falls on two very narrow slits 0.053 mm apart. successive fringes on a screen 5.60 m away
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