9. If the frequency of a certain light is 3.8 x 10
Hz, what is the energy of this light?...
Physics, 22.02.2020 04:15 zaratayyibah
9. If the frequency of a certain light is 3.8 x 10
Hz, what is the energy of this light?
Answers: 1
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What would the difference of spectral lines emitted by hydrogen gas in distant galaxies which is normally found at a wavelength of 21 cm on earth, be observed at 21.1 centimeters?
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Which of the following represents an upright image? a. -do b. +m c. -m d. +do
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Which statements describe the movement of ocean currents around the globe? check all that apply. strong winds force warm water to sink to the ocean floor. the coriolis effect causes warm and cold water to mix. cool dense water sinks to the ocean floor. warm water replaces cool surface water. wind blowing parallel to the shore causes upwelling of cool water.
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Agroup of students were investigating the force of gravity. they began by dropping a foam ball from a height of 3 meters into a bucket of sand. the ball hit the sand in 0.306 seconds. they dropped additional balls of approximately the same diameter, but of different masses. here is the data they collected. based on this experiment and the collected data, what would their conclusion be?
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