`1 eV = ` ………. जूल

1eV is

1 joule = eV

1 eV = ____ J. (Fill in the gap)

The work functions for metals A, B and ( C) are presepctively 1. 92 eV , 2, 0 eV 1 and 5.0 eV According to Einstein equation , the metal which will emit photoelectron for a radistion fo wavelingth 4100 Å /are

Five elements A , B , C , D and E have work functions 1.2 eV , 2.4 eV , 3.6 eV , 4.8 eV and 6 eV respectively . If light of wavelength 4000 Å is allowed to fall on these elements , then photoelectrons are emitted by

Five elements A , B , C , D and E have work functions 1.2 eV , 2.4 eV , 3.6 eV , 4.8 eV and 6 eV respectively . If light of wavelength 4000 Å is allowed to fall on these elements , then photoelectrons are emitted by

If the work functions of three photosensitive materials are 1 eV, 2 eV and 3 eV respectively, then the ratio of the respective frequencies of light that produce photoelectrons of the maximum kinetic energy of 1 eV from each of them is

If the work functions of three photosensitive materials are 1 eV, 2 eV and 3 eV respectively, then the ratio of the respective frequencies of light that produce photoelectrons of the maximum kinetic energy of 1 eV from each of them is

The value of IP_1 , IP_2 , IP_3 and IP_4 of an atom are respectively 7.5 eV , 25.6 eV 48.6 eV and 170.6eV . The electronic configuration of the atom will be