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An ideal polarizer with its transmission axis rotated 30.5 to the vertical is placed in a beam of unpolarized light of intensity 10 W/m ^2 .
a) After passing through the polarizer, what is the intensity of the beam?
b) Now if we add another polarizer that is 79.5 deg with respect to the vertical, what fraction of intensity will be transmitted through these polarizers ?
A hypodermic needle consists of the plunger of circular cross-section that slides inside a hollow cylindrical syringe. When the plunger is pushed, the contents of syringe are forced through a hollow needle.
In a game of basketball, a forward makes a bounce pass to the center. The ball is thrown with an initial speed of 2.50 m/s at an angle of 15.5° above the horizontal. It is released 0.73 m above the floor. What horizontal distance does the ball cover ..
from the scattering of sunlight, J. J. Thomson calculated the classical radius of an electron as having the value 2.82 ×10-15 m. Sunlight with an intensity of 500 W/m2 falls on a disk with this radius.
An electric scooter has a battery capable of supplying 140 Wh of energy. If friction forces and other losses account for 60.0 percent of the energy usage, what altitude change can a rider achieve when driving in hilly terrain, if the rider and scoote..
The car now stops, and the four people get out. By how much does the car body rise on its suspension owing to this reduce in weight.
If the amplitude of a particle in simple harmonic motion is doubled, how are the total energy and maximum speed affected
Four charges are located in a plane as follows: q1 = -5 uC at (4,0) m; q2 = -3 uC at (4,4) m; q3 = -4 uC at (0,4) m; q4 = -2 uC at (0,0) m. Find the magnitude and direction of the resultant field at (2,2)
mall candle is 37cm from a concave mirror having a radius of curvature of 22cm. What is the focal length of the mirror? Follow the sign conventions
A 3.8×10-24-kg particle is vibrating with simple harmonic motion with a period of 1.3×10-5 s and a maximum speed of 1.55×103 m/s. A) Calculate the angular frequency. B) Find the maximum displacement of the particle. I know the answer to part A) 48..
A balloon contains 2.5 L of oxygen gas at 1.0 atm, How much work is done in compressing the balloon at constant pressure
A uniform board is leaning against a smooth vertical wall. The board is at an angle (theta) above the horizontal ground. Find the smallest value for the angle (theta), such that the lower end of the board does not slide along the ground.
A ray of light is incident from the air onto the surface of a diamond (n=2.42) at a 30 degree angle to the normal, calculate the speed of light in the diamond
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