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Light waves with two dissimilar wavelengths, 632 nm and 474 nm, pass concurrently through a single slit whose width is 5.88 x10-5 m and strike a screen 1.90 m from the slit. Two diffraction patterns are formed on the screen. What is the distance(in cm) among the common center of the diffraction patterns and the first occurrence of the spot where a dark fringe from one pattern falls on top of a dark fringe from the other pattern?
In a photoelectric effect experiment, visible radiation of energy 2.68 eV is incident upon a metal of unknown work function. determine the work function of the metal
A 50 g aluminum calorimeter contains wter at a temperature of 26 C. When 75 gof lead at a temperature of 85 C is dropped into the calorimeter, How much water was in the calorimeter can
A horizontal power line of length 43 m carries a current of 1.3 kA. Earth's magnetic field at this location has a magnitude equal to 5.0 10-5 T and makes an angle of 65° with the power line. Find the magnitude and direction of the magnetic force o..
The work done by an engine equals one-half the energy it expels to a cooler at 0C. what is the temperature of the heater
IP A uniform electric field of magnitude 6 times 10^3 ;{rm{N/C}} points upward. An empty, closed shoe box has a top and bottom that are 37 cm by 28 cm, vertical ends that are 28 cm by 21cm, and vertical sides that are 21 cm by 37 cm.
he cable of the 1400 kg elevator cab in the figure snaps when the cab is at rest at the first floor, Find the speed of the cab just before it hits the spring
The school bus picks up Brian in front of his house and takes him on a straight-line 3.4 km bus ride to school in the positive direction. what is the position of the school
A soccer ball is kicked from the groundwith an initial speed of 19.9 m/s at anupward angle of 45°. A player 55 m away in the direction of thekick starts running to meet the ball at that instant. What must behis average speed if he is to catch the bal..
What is the electrostatic force on each particle.
It is desired to magnify reading material by a factor of 3.0× when a book is placed 8.5cm behind a lens, determine the power of the lens in diopters
A mortar* crew is positioned near the top of a steep hill. Enemy forces are charging up the hill and it is necessary for the crew to spring into action. How far down the hill does the shell strike
A +4.6-µC charge experiences a 0.42 N force in the positive y direction. If this charge is replaced with a -1.0 µC charge, what force will it experience
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