If you run towards the source, the frequency you hear is lower than f
Indicate whether the statement is true or false
F
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The Compton effect importantly demonstrated which property of electromagnetic radiation?
A) energy content B) momenta C) particle nature D) its wavelength
By how much does the current fall after the switch is closed in a series RC circuit when three time constants have elapsed?
A. 5.0% B. 38% C. 62% D. 95% E. 100% since after 2 time constants the current is 0
In a binary system, the more massive star
a. is at the center of mass. b. is farthest from the center of mass. c. is nearest the center of mass. d. follows the largest orbit. e. shows a larger Doppler shift in its spectral lines.
Opposite of the emission-line spectrum, because an atom's set of possible absorption lines have exactly the same wavelengths as its possible emission lines.
A. absorption line spectrum B. emission line spectrum C. continuous spectrum