2. Two conducting parallel plates, one 0.1m above the other, are held at an adjustable potential difference.
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5. There are a few problems in this part.
a. Light of wavelength 500nm is incident on a diffraction grating with spacing 2 x 10-6 m. The bright ray second from the center one will emerge at what angle from it?
b. Find the energy in Joules that is released when an electron and anti-electron (the antielectron has the same mass but opposite charge of the electron) collide and transform into energy.
c. Find the wavelength of the photon emitted when an electron in a hydrogen atom jumps from the n=3 to the n=1 state.
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