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A Ge-doped silica fiber has an attenuation loss of 1.2 dB/km due to Rayleigh scattering alone when light of wavelength 0.9 mu m is used. Determine the attenuation loss at 1.55 mu m.
An electron in an atom has an orbital angular momentum with ml = 0. What is the component morb,z? (J*s) What is the component ?orb,z? (J/T) If an atom is in an external magnetic field B of magnitude 45 mT and directed along the z-axis, what is the..
A 755N diver drops from a board 10m above the water's surface. Find out the diver's speed 5m above the water's surface. Then find the diver's speed just before striking the water.
The astronaut throws a rock straight up with a velocity of + 16.9 m/s, What is the acceleration (magnitude and direction) due to gravity on this planet
A satellite weighing 500 kg is in a circular orbit around the earth. It takes exactly 3 hours to go around the earth. How far above the surface of the earth is this orbit
A transmission grating is used to study the spectral region extending from 480 nm to 500 nm. The angular spread of this region is 20 degrees in the third order. Find the line density (number of lines per centimeter) of the transmission grating.
A damped mass-spring system oscillates at 280 Hz. The time constant of the system is 2.0 s. At t = 0, the amplitude of oscillation is 8.4 cm and the energy of the oscillating system is then 84 J.
the solar constant is the flux of the suns radiation at the top of the earths atmosphere. calculate its value assuming
A 1.0-cm-diameter pipe widens to 2.0 cm, then narrows to 0.5 cm. Liquid flows through the first segment at a speed of 4.0 m/s. What is the volume flow rate through the pipe
A plane is sitting on a runway, awaiting takeoff. On an adjacent parallel runway, another plane lands and passes the stationary plane at a speed of 45m/s. For how long a time is the moving plane visible
A student throws a water balloon vertically downward from the top of a building, What is the magnitude of its velocity after falling 10.1m and What is its speed after falling for 2.20s
A certain superconducting magnet in the form of a solenoid of length 0.60 m can generate a magnetic field of 6.0 T in its core, Find the number of turns in the solenoid
We pass a laser beam through a double slit. On a screen 18.52 m away, we observe a series of bright lines which are 3.4 mm apart. What is the distance between the two slits
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