The energy of a photon is related to
A) the energy given to the atom that emits it.
B) the energy transition in de-excitation.
C) its frequency.
D) all of the above
E) none of the above
Answer: D
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An air-filled 3.0 nF capacitor is charged to 8.0 V. If the plate separation is 100
m what is the energy density in the electric field?
a. 
b. 
c. 
d. 
e. 
Which of the following features of a telescope determines its light gathering power?
a. The focal length of the objective b. The focal length of the eyepiece c. The diameter of the objective d. Length of the telescope tube e. None of the above.
Unlike most magnetic fields, Saturn's is not inclined to its _______________
Fill in the blank(s) with correct word
What is the difference between speed, velocity, and instantaneous velocity? Give examples of each
What will be an ideal response?