Calculate the number of photons emitted in one second by a
Calculate the number of photons emitted in one second by a 15 W laser operating at a wavelength of 540.0 nm
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a tire is filled with air at 13degc to a gauge pressure of 220 kpa if the tire reaches a temperature of 42degc what
if the uncertainty in velocity of an electron is 47000 ms what is the minimum uncertainty in its
a binary star system has two stars each with the same mass as our sun separated by 800times1011m a comet is very far
in two-photon ionization spectroscopy the combined energy of two different photons is used to remove an electron from
calculate the number of photons emitted in one second by a 15 w laser operating at a wavelength of 5400
what pressure difference must be generated along a vertical singe stage water pump tube to extract water from a well of
a satellite with a mass of 310 kg moves in a circular orbit 700 107 m above the earths surfacea what is the
a hydrogen atom initially in the n6 quantum state emits a photon having a wavelength of 109352e-6 m what is the quantum
the density of ice is 917 kgm3 and the density of sea water is 1025 kgm3 a swimming polar bear climbs onto a piece of
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