Conservation of energy requires that if an atom absorbs a photon,
A. an electron ends up with an energy equal to that of the photon.
B. the atom must emit a photon.
C. an electron rises to a new orbital with an energy equal to that of the previous orbital plus the energy of the photon.
D. the atom must emit an electron.
Answer: C
You might also like to view...
_____________ is a very long and deep canyon on Mars
a. Valles Marineris b. Ishtar Terra c. Tharsis Bulge d. Lobate Scarp e. Phobos
A binary star is a pair of stars that orbit around each other. By detecting this orbital motion, and using Kepler's laws and the law of gravitation, one can directly measure the stars' ________.
A. temperatures B. masses C. luminosities D. distances
What is the approximate luminosity of a main-sequence M star?
A) 10?6 solar B) 1 solar C) 10 solar D) 0.01 solar
A planet has mass M = 8.00 × 10^23 kg. At what distance will the centripetal acceleration of an orbiting space station be equal to the gravitational acceleration on Earth's surface? (G = 6.67 × 10^–11 m3·kg–1·s–1)
a. 2.33 × 10^6 m b. 5.44 × 10^12 m c. 5.23 × 10^14 m d. 1.18 × 10^35 m