Q. Voltage which is applied in discovering electrons is

View solution

Q. Wavelength of lines obtained in hydrogen spectrum can be obtained in

View solution

Q. Radiations' bending strength depends upon

View solution

Q. Elements employed by Moseley for production of X-rays were

View solution

Q. Motion which is responsible for doublet line structure in spectrum is

View solution

Q. When gamma radiations are emitted from copper it is changed into

View solution

Q. Background in atomic absorption spectrum is

View solution

Q. P-sub shell have shape of a/an

View solution

Q. Energy change according to Bohr is given by

View solution

Q. Each orbit possesses

View solution

Q. Value of wave number when electron of hydrogen jumps from n2 to n1 is

View solution

Q. Range of visible light is from

View solution

Q. Expression for nth radius of atom was derived by

View solution

Q. Cathode rays can produce fluorescence in

View solution

Q. Dual nature of matter was experimentally verified by striking electron on

View solution

Q. Surface where probability for finding electron is zero between two orbitals is called

View solution

Q. When electron jumps from excited state to a ground state observed spectra is

View solution

Q. N+l value of 7s orbital is

View solution

Q. Spectral lines of hydrogen atom which are present in visible region are named as

View solution

Q. Discovery of neutron was done in year

View solution