An electron in certain Bohr orbit has velocity 1/275 of the velocity of light. Calculate the orbit in which the electron is revolving.

The two electrons in an orbital have different

The electron in given Bohr orbit has a total energy of -3.4 eV.Calculate its kinetic energy

The electron in given Bohr orbit has a total energy of -3.4 eV.Calculate its potential energy adn

The electron in given Bohr orbit has a total energy of -3.4 eV.Calculate its wavelength of the light eitted ,if an electron makes a transition to the ground state.(Ground state energy = -13.6 eV).

The ratio of velocity of the electron in the third and fifth orbit of Li^(2+) would be :

The ratio of drift velocity to that of the thermal velocity of an electron in a condutor is

The ratio of drift velocity to that of internal velocity of an electron in a conductor is :

An electron moving with a velocity of 5 xx 10^(4)ms^(-1) enters into a uniform electirc field and acquires a uniform acceleration of 10^(4)ms^(-2) in the direction of its initial motion. Calculate the time in which the electron would acquire a velocity double of its initial velocity.

Show that circumference of the Bohr orbit for the hydrogen atom is an integral multiple of the de-Broglie wavelength associated with the electron revolving around the orbit.