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millikans oil drop experiment resulted in the determination of the charge on the electron describe two other quantities
an electron in the 3rd stationary state around a hydrogen atom has an energy value of -1512 ev what will the electrons
in a hydrogen atom the electron jumps from n1 level to the n4 level what is the wavelength of the emitted or absorbed
in a hydrogen atom the electron jumps from the n1 to the n4 level during the transition from n1 to n4 is a photon
according to bohr what is happening in the atom when a photon of light is emitted and what is happening in the atom
when a 290 g piece of iron at 178degc is placed in a 100 g aluminum calorimeter cup containing 250 g of glycerin at
what is the specific heat of a metal substance if 128 kj of heat is needed to raise 61 kg of the metal from 20degc to
what will be the equilibrium temperature when anbsp269nbspg block of copper atnbsp300degc is placed in anbsp136nbspg
what is the shortest wavelength photon that is emitted in the hydrogen atom what transition emits this
an electron in the third stationary state around a hydrogen atom has energy of -1512 ev what will the electrons energy
can someone please describe the photoelectric effect how did einsteins explanation of the photoelectric effect further
a 62 cm diameter pipe gradually narrows to 40 cm when water flows through this pipe at a certain rate the gauge
a 13 cm radius air duct is used to replenish the air of a room 94 m 45 m 50 m every 10 min how fast does air flow in
a spherical balloon has a radius of 80 m and is filled with helium how large a cargo can it lift assuming that the skin
a ski starts from rest and slides down a 21deg incline 120 m long use energy methodsa if the coefficient of friction is
a how much power is radiated by a tungsten sphere emissivitynbspenbsp 035 of radiusnbsp21nbspcm at a temperature
a cube of ice is taken from the freezer at -85degc and placed in a 99 g aluminum calorimeter filled with 301 g of water
an iron boiler of massnbsp236nbspkg containsnbsp870nbspkg of water atnbsp19degc a heater supplies energy at the rate
a 196 g sample of a substance is heated to 321degc and then plunged into a 98 g aluminum calorimeter cup containing 129
a buildings elevator initially starts on the ground floor it moves 216 m upwards to the sixth floor it then goes down
the speed of sound in air at 20degc is 344 msa what is the wavelength of a sound wave with a frequency ofnbsp196nbsphz
three forces given by f1nbsp -200i 200j n f2nbsp 500i - 300j n and f3nbsp -450i n act on an object to give it an
a steel piano wire 0918 m long has a crosssectional area of 000856 cm2 when under a tension of 142 n how much does it
how much kbr can be dissolved in 200 l of water at 400onbspc note that water has a density of 100 gml and there are
compare the charge distribution on a flat surface compared to a curved surface and explain why these distributions