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A student studying the photoelectric effect from 2 different metals records the following information:
(i) the stopping potential for photoelectrons released from metal 1 is 1.48V larger than that for metal 2, and
(ii) the threshold frequency for metal 1 is 40.0% smaller than that for metal 2.
Determine the work function for each metal.
The one-dimensional parity operator pi is defined by pi psi (x) = psi (-x) In other words, pi changes x into –x everywhere in the function. Is pi a Hermitian operator? For what potentials V(x) is it possible to find a set of wavefunctions which are e..
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a rod 14.0 cm long is uniformly charged and has a total charge of -20.0 acircmicroc. determine the magnitude and
You wish to design a telescope using an objective lens with f(objecive) = 0.75 m. If you use an eyepiece with a magnification of 20, what is the length of the telescope
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a transverse wave traveling on a string is represented by yx 0.48cos5.6x84t. yx is measured in cm above or below
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a spring is hung from a ceiling and an object attached to its lower end stretches the spring by a distance of 5.00 cm
An electric dipole consisting of charges of magnitude 2.10 nC separated by 7.60 µm is in an electric field of strength1150 N/C. What is the magnitude of the electricdipole moment?
A softball of mass 0.220kg that is moving with a speed of 8.5m/s collides head-on and elastically with another ball initially at rest. find the velocity of the target ball after the collision
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