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What is the wavelength of a monochromatic light beam, where the photon energy is 2.00 eV? (h = 6.63 *10-34 J.s, c = 3.00 *108 m/s, 1 nm = 10-9 m, and 1 eV = 1.6 *10-19 J)


A) 414 nm
B) 1243 nm
C) 311 nm
D) 622 nm

E) All of the above
F) None of the above

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The ultraviolet catastrophe predicts that:


A) a black body can absorb an infinite amount of radiation if the radiation is in the ultraviolet region.
B) the radiated energy approaches zero as the wavelength approaches zero.
C) as an object gets hotter its light will change from dull red to blue white.
D) all objects should radiate extreme amounts of ultraviolet light.

E) A) and B)
F) None of the above

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When an electron is in a magnetic field, different spin states associated with the electron's magnetic moment will occur. What are these states called?


A) up, down
B) plus, minus
C) clockwise, counterclockwise
D) north, south

E) C) and D)
F) A) and D)

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