Atoms Test - 63...

According to de-Broglie wavelength for electron in an orbit of hydrogen atom is $$10^{-9}\ m$$. The principle quantum number for this electron is 

The spectral series of the hydrogen spectrum that lies in the ultraviolet region is the

According to Bohr's theory the expression for the kinetic and potential energy of an electron revolving in an orbit is given respectively by

To explain his theory, Bohr-used

In the Bohr's hydrogen atom model, the radius of the stationary orbit is directly proportional to ($$n=$$ principle quantum number)

Which one of these is non-divisible

According to Bohr's theory the radius of electron in an orbit described by principle quantum number $$n$$ and atomic number $$Z$$ is proportional to

Which of the following is true.

The fact that photons carry energy was established by

The splitting of line into groups under the effect of electric or magnetic field is called