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Light moving from glass to air changes wavelength from 448.5 nm to 653.7 nm.
(a) Obtain the index of refraction of the glass?
(b) Obtain the speed of the light in the glass?
(c) Obtain the frequency of the light in this glass?
(d) Obtain the frequency of the light in air.
An AC voltage source, with a peak output of 120V, results in dissipation of energy in a resistor at rate of 100W. What is the value of the resistance
A liquid (? = 1.65 g/cm3) flows through two horizontal sections of tubing joined end to end. In the first section the cross-sectional area is 10.0 cm2, the flow speed is 265 cm/s, and the pressure is 1.20 105 Pa.
Assuming constant temperature, as a helium balloon rises through the air: (Select all that apply.) The air pressure inside the balloon decreases. The air pressure outside the balloon decreases. The air pressure outside the balloon increases. The air ..
A 5kg mass starts from rest and slides down on an inclined plane, hits a bumper at the bottom of the inclined plane and bounces back up the inclined plane and comes to rest again. During the collision with the bumper, 0.7j of energy is lost. The m..
A 4.30 capacitor that is initially uncharged is connected in series with a 7.90 resistor and an emf source with 225 negligible internal resistance. what is the voltage drop across the capacitor
You have a converging lens with a focal length of 0.85 m, and wish to construct a refracting telescope with an angular magnification of âˆ'45. what should be the focal length of the second lens
Two speakers, one directly behind the other, are each generating a 374-Hz sound wave. What is the smallest parting distance between the speakers that will generate destructive interference at a listener standing in front of them? Take the speed of so..
The loaded cab of an elevator has a mass of 2.8 x 10^3 kg and moves 214 m up the shaft in 23 s at constant speed. At what average rate does the force from the cable do work on the cab.
An exhaust tube from a steam generator is submerged in a large container of cool water. what is the change of entropy (in J/deg) of the steam
a platinum resistance thermometer has resistances of 170.0 when placed in a 0degc ice bath and 244.8 when immersed in a
Sharon has a mass of 60 kg and is standing on a giant skateboard that is initially at rest and has a mass of 30kg. what is the speed of the skateboard
A spherical water drop 2.6 ?m in diameter is suspended in calm air due to a downward-directed atmospheric electric field of magnitude E = 3800 N/C. How many excess electrons does it have
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