[" 1KWH =? "],[" 3.6"times10^(6)J],[" ( "3.6times10^(-6)J],[" 36"times10^(3)J],[" 3."6times10^(-10)J]

The average thermal energy of oxygen at a temperature of 27C (А) 6.2times10^(-21) J (В) 4.5times10^(-21) J (C) 3.5times10^(-21) J (D) 1.2times10^(-21) J

Simplify: 10^(-1)times10^(2)times10^(-3)times10^(4)times10^(-5)times10^(6)

The work function a metel is 2 eV. If a radiation of wavelengh 3000 A^(@) is incident on it, the maximum kinetic energy of the emitted photoelectros is (Plank's constant h = 6.6 "times "10^(-34) J, velocity of light c=3" times "10^8 ms//s, 1 eV=1.6 "times "10^(-19)

Show that kWh=3.6 times 10^5 J

" Wavelength associated with a Helium atom moving with a velocity of "10^(5)cms^(-1)" is (Atomic mass of "He=4amu;N=6times10^(23);h=6.625times10^(-34)J_(8)" ) "

Calculate the wavelength of an electron that has been accelerated in a particle accelerator through a potentiation difference of 100 million volts [ 1eV = 1.6 xx 10^(-19)J, m_(e) = 9.1 xx 10^(-31) kg, h = 6.6 xx 10^(-34) J s, c = 3.0 xx 10^(8) m s^(-1)]

1 KWh=_______ A. 36xx10^6J B. 3.6xx10^6 J C. 0.36xx10^6 J D. 3.6 J