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Determine the maximum core radius of an optical fiber with n core = 1.460 and n clad = 1.457 so that it supports only one mode at 1.25 Mu m wavelength.
A ball is thrown upward in the air by a passenger on a train that is moving with constant velocity. Describe the path of the ball as seen by the passenger
For Quantum Mechanics, suppose a complex number is such that its real component is cos(x) for any value of x, and its imaginary component is sin(x). Does the square magnitude of this complex number depend on x? Explain why.
a spaceship approaches earth with a speed 0.38c. a passenger in the spaceship measures his heartbeat as 72 beats per
A circular saw blade rotating at 15 rev/sec is brought to a stop in 125 revolutions. what is the size of the angular acceleration experienced
Imagine that I hang a heavy copper ring on a string attached to the ceiling and throw a strong magnet through the ring with the North Pole leading and the South Pole trailing? Draw a picture of the situation. Define the coordinate system you can us..
The press box at a baseball park is 36.0ft above the ground. What is the horizontal distance from the press box to second base
a large asteroid of mass 77100 kg is at rest far away from any planets or stars. a much smaller asteroid of mass 610 kg
A 518- physics student stands on a bathroom scale in an 846- (including the student) elevator that is supported by a cable. As the elevator starts moving, the scale reads 464. Find the magnitude of the acceleration of the elevator
The left end of a long glass rod 8.00 cm in diameter and with an index of refraction of 1.60 is ground and polished to a convex hemispherical surface with a radius of 4.00 cm. Find the height of the image formed by paraxial rays incident on the con..
In a wire of radius R = 3.40 mm the magnitude of the current density is J = Ar/R, where r is the radial distance out from the central axis. What is the total current in the wire
Two blocks in figure are connected by a heavy uniform rope with a mass of 4.00 kg. An upward force of 200 N is applied as shown. What is the tension at the top of the heavy rope
A beam of light in air strikes a glass lab at common incidence. The glass slab has an index of refraction of 1.50. (a) About what percentage of the incident light intensity is transmitted through the slab (in one side or out the other)? (b) Repeat Pa..
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