The period of revolution of an electron in the ground state of hydrogen atom is T. The period of revolution of the electron in the first excited state is

The total energy of electrons in the ground state of hydrogen atom is -13.6 eV. The k.E of an electron in the first excited state is

The time period of revolution of an electron in its ground state orbit in a hydrogen atom is 1.6xx10^(-16) s. The frequency of the electron in its first excited state (in s^(-1) ) is :

The time period of revolution of electron in its ground state orbit in a hydrogen atom is 1.60xx 10 ^(-16)s. The time period of revolution of the electron in its second excited state in a He ^(+) ion is:

The time period of revolution of electron in its ground state orbit in a hydrogen atom is 1.60xx 10 ^(-16)s. The time period of revolution of the electron in its second excited state in a He ^(+) ion is:

The time period of revolution of electron in its ground state orbit in a hydrogen atom is 1.60xx 10 ^(-16)s. The time period of revolution of the electron in its second excited state in a He ^(+) ion is:

The time period of revolution of electron in its ground state orbit in a hydrogen atom is 1.6 × 10–16 s. The frequency of revolution of the electron in its first excited state (in s–1) is:

The time period of the electron in the ground state of hydrogen atom is two times the times period of the electon in the first excited state of a certain hydrongen like atom (Atomic number Z). The value of Z is

The time period of the electron in the ground state of hydrogen atom is two times the times period of the electon in the first excited state of a certain hydrongen like atom (Atomic number Z). The value of Z is