Derive de Broglie’s equation.

Which is the de-Broglie equation?

Define de Broglie’s concept of matter waves.

Which of the following expresson gives the de-Broglie relationship ?

Is it possible to observe de -Broglie wave associated with a material particle of 10^(-4) g moving with the velocity of light?Planck's constant is 6.6 xx 10^(-27) erg s.

Calculate de Broglie’s wavelength associated with an electron moving with a velocity equal to l/10th that of light.

Calculate the de Broglies wavelength associated with the electron revolving in the first excited state of hydrogen atom. The ground state energy of the hydrogen atom is -13.6 eV.