If the photon of the wavelength 150 pm strikes an atom and. one of its inner bound electrons is ejected out with a velocity of '1.5 xx 10^7 ms^(-1)'. Calculate the energy with which it is bound to the nuclëus.

A photon of wave length 400 nm strikes a metal surface. The electrons are ejected with a velocity 5.85 xx 10^5 ms^(-1) . Calculate the minimum energy required to remove an electron from the metal surface. The mass of an electron is 9.109 xx 10^-(31) kg_.

Calculate the wavelength of an electron moving with a velocity of 2.05 xx 10^(7) ms^(-1)

Calculate the wavelength of an electron moving with a velocity of 2.05xx10^7ms^(-1)

Calculate the wavelength of an electron moving with a velocity of 2.05xx10^(7) ms^(-1) .

Calculate the wavelength of an electron moving with a velocity of 2.7xx10^(7) ms^(-1) .

If the velocity of the electron in Bohrs first orbit is '2.19 xx 10^6 ms^(-1)', calculate the de Broglie wavelength associated with it.

Calculate the magnitude of the force acting on an electron moving with a velocity of 3 xx 10^(7) ms^(-1) at right angles to a magnetic field of 10T.

A proton enters perpendicular to a magnetic field of 2.5 T with a velocity 1.5 xx 10^(7) ms^(-1) . Find the force on the proton?

What is the uncertainty in position of an electron if the uncertainty in its velocity is 5.7 xx 10^(5) m/s ?