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A photon emitted as a hydrogen atom undergoes a transition from the n=5 state to the n=2 state.
A) find the energy of the emitted photon (eV)
B) Find the wavelength of the emitted photon (nm)
C) Find the frequency of the emitted photon (Hz)
For a particular RLC series circuit, the capacitive reactance is 2.55 ?, the inductive reactance is 45.5 ?, What is the maximum voltage across the circuit
The centers of a 15kg lead ball and a 50g lead ball are separated by 10cm, What is the ratio of this gravitational force to the weight of the 50g ball
Early black-and-white television sets used an electron beam to draw a picture on the screen. What is the speed of electrons in the beam
A long solenoid has n turns per unit length and a radius R. If the current in the solenoid varies as I(t) = I(0)sin(wt), what is the induced electric field as a function of r both inside and outside the solenoid
Two slits are separated by .1 mm. Planar light incident on them produces a diffraction pattern on a board 1.35 m away, estimate the wavelength of light
A 890-Hzsounds travels through pure hydrogen. The wavelength of the sound is measured to be 1.44 m, What is the speed of sound in hydrogen
a particle's rest mass is 1.25 M0c^2, decays into two identical paricles of mass .45M0 each. calculate the possible velocities of the mother particle
Three equal point charges, each with charge 1.50, are placed at the vertices of an equilateral triangle whose sides are of length 0.550. What is the electric potential energy of the system? (Take as zero the potential energy of the three charges w..
The star Sirius is a distance of 8 light years from the earth. If Sirius suddenly stopped shining, how much longer would it be seen on earth
In a certain region of space, the electric field, E, is constant in direction (say horizontally in the +x-direction), but its magnitude decreases.
The electric field on the surface of a 12cm -diameter sphere is perpendicular to the sphere, What is the electric flux through the sphere
A satellite orbits at a distance from the Earth's center of about 4.80 Earth radii and takes 14.8 hours to go around once, What is its orbital velocity
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