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A thin film of oil with index of refraction n = 1.55 and thickness t = 75 nm floats on water. The oil is illuminated from above, perpendicular to the surface
Part (a) What is the longest wavelength of light, in nanometers, that will undergo destructive interference when it is shone on the oil?
Part (b) What is the next longest wavelength of light, in nanometers, that will undergo destructive interference when it is shone on the oil?
Part (c) What is the longest wavelength of light, in nanometers, that will undergo constructive interference when it is shone on the oil?
The area of a 140 turn coil oriented with its plane perpendicular to a 0.19T magnetic field is 4.9 ×102 m2. Find the average induced emf in this coil
A 15cm length of 0.34mm diameter nichrome wire is welded into a circular loop. The loop is placed between the poles of an electromagnet, What is the induced current in the loop
Assume an inductor is contracted of copper wire of length 50m that has a cross-sectional area of 7 x 10-2m2 . (Copper has a resistivity of 2 x10-8 Ω.m ) What is the resistance of this inductor?
A solid sphere is rolling without slipping along a horizontal surface with a speed of 4.50 m/s, What is the speed of the sphere after it has rolled 3.00m up the ramp
In a tape recorder, the magnetic tape moves at a constant linear speed of 5.6 cm/s. What is the angular speed of the take-up spool when it is empty, with radius r1 = 0.64 cm
Light from the sun allows a solar cell to move electrons from the positive to the negative terminal, determine the emf of this solar cell
When cars are equipped with flexible bumpers, they will bounce off each other during low-speed collisions, thus causing less damage. What is the speed of the lighter car just after collision
Two automobiles are equipped with the same single frequency horn. What is the frequency the horns emit
Two identical wheels are moving on horizontal surfaces. The center of mass of each has the same linear speed. Determine what is the total kinetic energy of each wheel
A beam of light originates from point P in a 3 mm thick glass block. It undergoes total internal reflection at point Q and strikes point R a distance d=5.4mm. If the glass block is in air, what is the glass' index of refraction?
After throwing the ball in the pool for my dog, the ball sprung a leak and began to fill with water. How many mL of water can the ball absorb before the ball sinks
in a simple picture of the hydrogen atom the electron moves in circular orbits around the central proton attracted by
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