A diatomic quantum mechanical rotator in the L = 1 quantum state has energy E. The same rotator in the L = 2 quantum state will have energy
A)
2E.
B)
3E.
C)
6E.
D)
8E.
E)
none of the given answers
B
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Star A has a temperature 1/2 that of star B, but star A is 5 times bigger than star B. Which statement below is correct?
A) Star A is redder and dimmer than star B. B) Star A is bluer and dimmer than star B. C) Star A is redder and brighter than star B. D) Star A is bluer and brighter than star B. E) Star A and star B have the same color, but star A is brighter.
Find the energy of a photon whose frequency is 5 × 10^12 Hz
What is the current debate about the origin of water on Earth?
What will be an ideal response?
The force of Earth's gravity on a capsule in space increases as it comes closer. When the capsule moves to half its distance, the force toward Earth is then
A) twice. B) three times greater. C) four times greater. D) none of the above