Q. Comprehensive study on X rays was done by

View solution

Q. Lines which appear in absorption and emission spectrum are

View solution

Q. Fast neutrons have energy which is more than

View solution

Q. Line spectrum is obtained from element or compound which is

View solution

Q. Schrodinger worked on

View solution

Q. Millikan oil drop method was discovered in

View solution

Q. When target element used has more atomic number it produce X rays with

View solution

Q. When electron remains between orbits its momentum is

View solution

Q. Fluorescence produced by cathode rays in alumina is

View solution

Q. Square of atomic number of element emitting radiations effects

View solution

Q. Neutrons which are used for fission purposes are

View solution

Q. According to structure of atom electron should fall in

View solution

Q. E/m value of electrons comes out to be

View solution

Q. Other source of rainbow other than sun is

View solution

Q. Tube to discover electrons is fitted with

View solution

Q. When electron jumps from infinity orbit to n1 in Lyman series line developed is called

View solution

Q. Sub shell which is not sub-divided into any other orbital is termed as

View solution

Q. Neutrons having energy less than 1eV are called

View solution

Q. When electron jumps in n1 orbit series of spectral lines obtained is called

View solution

Q. Radius of hydrogen first orbit is

View solution