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1. Three ideal polarizing filters are aligned in succession in the path of a horizontal beam of unpolarized light of intensity 50 W/m2 . The first and last filters each have their transmission axis vertical; the other filter's axis is 36.9 degrees from the horizontal. What is the intensity of the light that has passed through all three filters?
2. There are two parallel slits 0.10 A?µm wide, 0.050 mm apart, in one wall of Pierre's tent; outside there is a strong colored light source (main wavelength 500 nm). How far apart are the centers of adjacent bright bands on the opposite wall, 2.4 m away?
3. An oil slick on top of a puddle is strongly reflecting yellow light from directly above it. If the principal component of the reflected light is at 576 nm and the index of refraction of the oil is 1.4. How thick is the oil layer, if there is one smaller thickness value that would give a similar strong reflection?
A car moves along an x axis through a distance of 950 m,starting at rest (at x = 0) and ending at rest (atx = 950 m). Through the first 1/4 of that distance, itsacceleration is +6.25 m/s2.
A flat circular coil with 105 turns, a radius of 4.00 x 10 neg 2nd m, and a resistance of 0.48Ω is exposed to an external magnetic field that is directed perpendicular to the plane of the coil.
a simple pendulum makes 120 complete oscillations in 3.00 min at a location where g 9.80 ms2. find a the period of the
In order to decrease the intensity of a beam of unpolarized light to 10% of its original intensity using two polarizers, find the angle between the transmission axes of the two polarizers
Describe what happens to the energy of the two waves when they interfere destructively? Did the energy vanish
A sphere that is a perfect blackbody radiator has a radius of 0.140 m and is at 250°C in a room where the temperature is 27°C. find the net rate at which the sphere radiates energy.
A smooth sphere of mass m moving with speed v on a smooth horizontal surface collides directly with a second sphere of the same size but of half the mass that is initially at rest. The coefficient of restitution is e. Show that the total kinetic e..
An ac source is connected to a resistor R = 75?, an inductor L = 0.01 H, and a capacitor C = 4 ?F. What is the phase difference ? between the voltage of the source and the current in the circuit when the frequency of the source is equal to half the r..
A 110-kg tackler moving at 2.5 m/s meets head-on (and holds on to) an 82-kg halfback moving at 5.0 m/s. What will be their mutual speed immediately after the collision?
The amplitude of an oscillator decreases to 63.1 percent of its initial value in 25.5 second. Find what is the value of the time constant
An ideal gas is enclosed in a cylinder that has a moveable piston on top. The piston has a mass of 6200 g and an area of 5 cm2 and is free to slide up and down.
Two protons that are very far apart are hurled straight at each other, each with an initial kinetic energy of 0.21 MeV, What is the separation of the protons from each other
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