What is the wavelength associated with the electron in the n = 6 state of hydrogen?
A) 2.99 × 10-9 m
B) 3.11 × 10-9 m
C) 4.08 × 10-9 m
D) 3.99 × 10-9 m
E) 1.99 × 10-9 m
E
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Consider a merry-go-round which makes 20. revolutions in 4.0 minutes. (a) What is the average angular speed in radians/s? (b) For a child 3.5 m from the center, how far does he travel in the 4.0 minutes?
What will be an ideal response?
Is the moon accelerated?
A) No, because there is no gravity in space. B) No, because the gravitational force on it is balanced by the centrifugal force. C) Yes, its acceleration is directed forward, along its direction of motion. D) Yes, its acceleration is directed inward toward Earth. E) Yes, its acceleration is directed outward away from Earth.
This graph shows the adjustment factor versus the ratio of the speed of the system or object to the speed of light. The graph implies that, if travel at speed c were possible, a clock traveling at the speed of light would stop
a. True. b. False. c. It is impossible to know.
Harmonics
a. are components of a complex waveform b. have frequencies that are integer multiples of the frequency of the complex waveform c. are pure tones d. have sinusoidal waveforms e. all of the above