Physics, 20.09.2020 16:01 jessica112776
Ultraviolet light of wavelength 270 nm strikes a metal whose work function is 2.3 eV. What is the shortest de Broglie wavelength for the electrons that are produced as photoelectrons?
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An object is located 30.0 cm from a concave mirror. the focal length is 15.0 c,. what is the image distance? a. 30.0 cm b. -10 cm c. 10.0 cm d. -30.0 cm
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Apropagating wave in space with electric and magnetic components. these components oscillate at right angles to each other. it may travel in a vacuum. determine the term.
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What is the name of the perceived change in a sound wave’s frequency due to motion between the observer and the sound source?
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During a car accident, a 125kg driver is moving at 31m/s and in 1.5s is brought to rest by an inflating air bag. what is the magnitude of the change in momentum to the driver
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Ultraviolet light of wavelength 270 nm strikes a metal whose work function is 2.3 eV. What is the sh...
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