If the work function of a metal is 449 ev what is the
If the work function of a metal is 4.49 eV, what is the maximum wavelength of light that can be used to observe the photoelectric effect?
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in a steam turbine steam is flowing at 20kgs at the inlet of the turbine specific enthalpy is 2800kjkg velocity 20ms
an air conditioner is used to keep the interior of a house at a temperature of 20 c while the outside temperature is 35
astronaut spud nick is space-travelling from planet x to planet y at a speed of 059 c when he is precisely halfway
a tree loses water to the air by the process of transpiration at the rate of 110 gh this water is replaced by the
if the work function of a metal is 449 ev what is the maximum wavelength of light that can be used to observe the
a 70 kg block hangs from a spring extending it 22 cm from its unstretched position what is the spring constant the
an airplane propeller is 214m in length from tip to tip with mass 107kg and is rotating at 2900rpm revmin about an
a marksman fires a bullet mb 500g horizontally with a velocity of 300ms from a rifle mr 300kg what is the recoil
2450 nm ultraviolet light strikes a metal plate and ejects electrons having kinetic energy e 179 ev calculate the
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