In the Bohr model of the hydrogen atom
a. energy is quantized
b. the electron's angular momentum is quantized
c. the emission spectrum is quantized
d. the absorption spectrum is quantized.
e. all of the above
E
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A coil of wire is connected to a galvanometer. When a bar magnet is moved in and out of the coil, the galvanometer records a current because of electromagnetic induction
Indicate whether the statement is true or false
Imagine that an alien spaceship crashed onto Earth. Which statement would most likely be true?
A) The aliens' home world is another planet in our own solar system. B) The crash would create a noticeable crater. C) All the evidence of the crash would be quickly whisked off by the U.S. military to Area 51 in Nevada. D) It would crash in the ocean.
A space station in the form of a large wheel, 120 m in diameter, rotates to provide an "artificial gravity" of 3.00 m/s2 for persons located at the outer rim. Find the rotational frequency of the wheel (in revolutions per minute) that will produce this effect
A stream's load is divided into three components: dissolved load, suspended load, and ______________ load
Fill in the blank(s) with correct word