Why do we know that the red Balmer emission line in hydrogen represents a smaller quantum leap than the violet line?
What will be an ideal response?
Red light has a longer wavelength than violet light; therefore a red photon contains less energy than a violet one. Since the photon given off when an electron's energy level changes has an energy equal to the energy difference between the two levels, the less energetic photon represents a smaller difference.
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The name of the Infrared Orbiting Observatory launched in 2003 is the:
A) Hubble Space Telescope. B) Compton Observatory. C) Spitzer Space Telescope. D) Chandra Orbiting Telescope. E) Newton Imaging System.
Name the exchange particles for each of the 4 "fundamental" forces
What will be an ideal response?
Which of the following would be the same for a person on the Moon rather than on Earth?
a. Maximum jumping height b. Weight c. The amount of time for an object to fall 2 meters from rest d. Mass e. Gravitational acceleration
If the energy of n = 4 is –0.85 eV and that of n = 2 is –3.40 eV in a hydrogen atom, a transition from n = 4 to n = 2 will release a photon of what energy?