Bracket series is obtained when all transition of electron terminate on_______________?

Related Mcqs:

In hydrogen spectrum which one of the following series lies in the ultraviolet region ?

A. Balmer series B. Pfund series C. Bracket series D. Lymann series...

Ground state energy of the 4th orbit in a H-atom is_____________?

A. 13.60 eV B. 3.40 eV C. 0.85 eV D. 1.51 eV...

The electric P.E of an electron in an orbit at a distance rn from the positive charge_____________?

A. Ke2/rn B. Ke2/rn2 C. ÀKe2/rn D. ÀKe2/rn2...

X-rays are diffracted by a crystal but not by a diffraction grating because_____________?

A. The ions in a crystal are well arranged B. The lines in a diffraction grating cannot reflect X-rays. C. The penetration power of X-rays is high in a diffraction grating D. The wavelengths of X-rays are of the same order of magnitude as the separation between atoms in a crystal...

UV radiation can be produced by______________?

A. Heating the filament B. Electron excitation in the gas C. Ionization of atoms D. All the above...