If a hydrogen atom in the ground state absorbs a 20.0 eV photon, what kinetic energy of the electron results?
A. this cannot happen
B. 20.0 eV
C. 13.6 eV
D. 6.40 eV
E. 33.6 eV
D. 6.40 eV
Physics & Space Science
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Waves arriving at a fixed boundary are
a. neither reflected nor inverted. b. reflected but not inverted. c. reflected and inverted. d. inverted but not reflected.
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What will be an ideal response?
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Find the frequencies of the first three harmonics of a 1.0-m long string which has a mass per unit length of 2.0 × 10?3 kg/m and a tension of 80 N when both ends are fixed in place.
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