Why is the image seen in astronomical telescope eyepieces inverted?
What will be an ideal response?
As the eyepiece must lie behind the objective's focus, the light reaching it has already been flipped over once it passed the focal point.
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Before about 50,000 years after the Big Bang, the universe was:
A) radiation dominated. B) quark dominated. C) lepton dominated. D) matter dominated. E) dark energy dominated.
Which of the following does not result from applying the Schrödinger equation to the electron in the hydrogen atom?
Which of the following most likely explains why Jupiter's interior releases so much heat?
A) Jupiter is gradually contracting in size. B) heat from radioactive decay C) a slow rate of nuclear fusion in Jupiter's core D) tidal heating
A 4.0-mF capacitor initially charged to 50 V and a 6.0-mF capacitor charged to 30 V are connected to each other with the positive plate of each connected to the negative plate of the other. What is the final charge on the 6.0-mF capacitor?
a. 20 mC b. 8.0 mC c. 10 mC d. 12 mC e. 230 mC