The formula for calculating the kinetic energy of an electron is K.E. = (h*c)/λ, where h is Planck's constant, c is the speed of light, and λ is the wavelength.
The value of Planck's constant is a physical constant that is determined through experimental measurements. It is currently defined as 6.626 x 10^-34 joule seconds.
The speed of light is a constant value that represents the speed at which light travels in a vacuum. It is approximately 299,792,458 meters per second and is denoted by the letter c in the formula.
The wavelength of an electron can be determined by using the de Broglie wavelength formula, which is λ = h/mv, where h is Planck's constant, m is the mass of the electron, and v is the velocity of the electron.
Yes, the kinetic energy of an electron can be measured using specialized equipment such as a mass spectrometer. Scientists use this device to determine the mass and velocity of an electron, which can then be used to calculate the kinetic energy using the formula K.E. = (h*c)/λ.