Q. Ionization in gases can be produced with help of

View solution

Q. Value of energy of electron -145.92 in kilo joule per mole is for

View solution

Q. X rays produced by each metal are

View solution

Q. Neutron is splitted into proton, electron and

View solution

Q. Particles which were deflected backwards in Rutherford's experiment were hit upon by

View solution

Q. Physical and chemical properties of elements are affected by

View solution

Q. Value of energy for second orbit of hydrogen in kilo joule per mole is

View solution

Q. In case of radiation amount of energy is proportional to

View solution

Q. Total energy of electrons consist of

View solution

Q. Relative charge on neutron is

View solution

Q. Movement of positive rays is from holes in

View solution

Q. Atom is composed just of electrons and protons, this concept prevailed till

View solution

Q. Neutron was emitted by rearrangement of nuclei of beryllium and

View solution

Q. Smallest charge which was observed by Millikan was

View solution

Q. On platinum foil, when cathode rays strike foil produces

View solution

Q. Electron was name which was given by

View solution

Q. According to Rutherford atomic model on whole atom

View solution

Q. Lines of longer wavelengths are described by

View solution

Q. To provide low pressure in discharge tube we attach

View solution

Q. When electron changes its orbit from outer to inner energy is

View solution