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Consider a Young's two-slit experiment in which the wavelength of light is 35% smaller than the distance between the slits.
A. How many complete dark fringes would be seen on a distant screen? (Assume for all these questions that the screen is as large as it needs to be.)
B. How many total interference maxima would be seen on a distant screen?
C. Now suppose that the wavelength of light is 125% larger than the slit separation. How many complete dark fringes would be seen on a distant screen?
A geostationary communications satellite orbits the earth directly above the equator at an altitude of 35,800 km. Calculate the time it takes for a signal to travel from a point on the equator to the satellite
Suppose you have an electric hot water heater for your house which is an aluminum cylinder which has a 0.44 m radius and is 1.8 m high. The walls are 1.0 cm thick.
A 0.629-nm photon collides with a stationary electron. After the collision, the electron moves forward and the photon recoils backwards. Find the momentum of the electron
question a 2 kg softball is pitched to you at 20 ms. you hit the ball back along the same path and at the same speed.
A battery of internal resistance r = 0.2 and emf E = 12.0 V. If the battery is connected to a device of resistance 6.0 (ohms), What is the electric power output of the battery
A 2.00 kg block is on an inclined plane which makes up an angle of 52 degrees to the horizontal. Find the speed of the block at the bottom of the incline plane
two point charges are on the y-axis. a 6.0 microc charge is located at y 1.35 cm and a -2.22 microc charge is located
A research balloon bound for the stratosphere is filled at sea level with 800 m3 of helium whose initial temperature is 285 K. What is the temperature of the helium
A charge of +q is located at the origin, while an identical charge is located on the xaxis at x = 0.47 m. A thirdcharge of +2q is located on the x axis atsuch a place that the net electrostatic force on the charge at theorigin doubles, its directi..
The 3.10 kg, 34.0-cm-diameter disk is spinning at 350 rpm How much friction force should the brake apply to the rim to bring the disk to a halt in 2.20 s.
A nozzle is now attached to the end of the hose. If the nozzle diameter is one-third the diameter of the hose, what is the speed of the water leaving the nozzle
As part of a safety investigation, two 1400 cars travelling at 18 are crashed into different barriers. Find out the average forces exerted on (a) car that hits a line of water barrels and takes 1.8 to stop, and (b) car that hits a concrete barrier an..
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