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In 1812 Brewster found that for an incident, unpolarized beam of light the maximum polarization of the reflected light beam is achieved when the transmitted beam and the reflected beam make an angle of 900. When unpolarized light reflects off of a nonconducting surface, it is partially polarized parallel to the plane of the reflective surface. There is a specific angle of incidence relative to that plane called Brewster's angle at which the light is 100% polarized. This occurs when the angle between the reflected ray and the refracted ray is 90o.
At what incident angle is sunlight reflected fully plane-polarized from a lake? What is the refraction angle?
Oxygen and nitrogen are the two most common gasses in air. Both are diatomic. Knowing this, define why the spectrum of air is so complicated
A 1.86- sound wave travels through the pregnant woman's abdomen and is reflected from the fetal heart wall of her unborn baby. The heart wall is moving toward the sound receiver as heart beats. The reflected sound is after that mixed with the transmi..
A university campus radio transmitter transmits at a power of 1921 Watts at a frequency of 98.6 MHz. How many photons are emitted by the transmitter each second
a uniform magnetic field of 1.5 t exists in a cylindrical region of radius10.0 cm its direction parallel to the axis
To focus a camera on objects at dissimilar distances, the converging lens is moved toward or away from the image sensor. A camera by a telephoto lens (f= 200.0 mm) is to be focused on an object first located at a distance of 3.5 m and then at 50.0 m...
Relative to the ground, determine the angle of the velocity vector of the package just before impact.
A 2.62-g bullet, traveling at a speed of 417 m/s, strikes the wooden block of a ballistic pendulum, How high does the combination rise above its initial position
An electron microscope is designed to resolve objectsas small as 0.14 nm. What energy electronsmust be used in this instrument?
The potential of a typical storm cloud can be as high as 109 volts. When lightning is produced, a typical lightning strike can produces an electric current of 20,000 amps.
In a physics laboratory experiment, a coil with 250 turns enclosing an area of 13.4 cm2 is rotated in a time interval of 4.20×102s from a position, What is the average emf induced in the coil
A 12 kg runaway grocery cart runs into a spring with spring constant 300 N/m and compresses it by 70 cm.What was the speed of the cart just before it hit spring.
When lightning strikes a vehicle with a person inside, how long should the person stay inside the vehicle
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