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Unpolarized light passes through two Polaroid sheets. Thetransmission axis of the analyzer makes an angle of 20.1° with the axis of the polarizer.
(a) What fraction of the original unpolarizedlight is transmitted through the analyzer?
(b) What fraction of the original light is absorbed by the analyzer?
an aluminium sphere with a specific gravity of 2.7 falls through water and reaches a terminal speed of 7 ms. what is
The far point of an eye is 255 cm. A corrective lens is to be used to allow this eye to focus clearly on objects a great distance away. What is the power of the needed corrective lens in diopters
a segment of wire of total length 2m is formed into a circular loop having 5 turns if the wire carries a 1.2A current determined the magnitude of the magnetic field at the center of the loop
water travels through a 9.6 cm diameter fire hose with a speed of 1.3 m/s. At the end of the hose, find the speed of the water coming out of the nozzle
Oppositely charged parallel plates are separated by 5.35 mm. A potential difference of600 V exists between the plates. What is the magnitude of the electric field strength between the plates?
The work function for barium is 2.50 eV. Find the cutoff wavelength for barium
One particle has a mass of 3.00 10-3 kg and a charge of +8.40 µC. A second particle has a mass of 6.00 10-3 kg and the same charge. Find the initial separation between the particles
in order to improve sharpness of pictures photographers sometimes decrease lenss aperture i.e. cover part of the lens.
Astronauts use a centrifuge to simulate the acceleration of a rocket launch, What is the astronaut's tangential acceleration during the first 20.0s
A projectile is launched with an initial speed of 60 m/s at anangle of 60 degrees. It lands on a hillside 4 seconds later. What is the straight line distance to where it lands
A patient is going to be prescribed bifocals which will be 3.20 cm from the eye. what is the patient's near point
A Federation starship ( 2.10×106kgkg ) uses its tractor beam to pull a shuttlecraft ( 2.10×104kgkg ) aboard from a distance of 15.0kmkm away. The tractor beam exerts a constant force of 4.0×104N4.0 \times 10^{4}\;{\rm N} on the shuttlecraft. Both spa..
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