Which of the following topoisomerases is/are involved in case of E.Coli Replication ? 

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#Question id: 20185

#XL - P Chemistry

The value of the energy for the first excited state of hydrogen will be

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#Question id: 20186

#XL - P Chemistry

In hydrogen atom, energy of first excited state is -3·4 eV. Find out the K.E. of the same orbit of hydrogen atom

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#Question id: 20187

#XL - P Chemistry

The energy of the first electron in helium will be

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#Question id: 20188

#XL - P Chemistry

In a hydrogen atom, if the energy of an electron in the ground state is 13·6 eV, then that in the 2nd excited state is

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#Question id: 20189

#XL - P Chemistry

In the Bohr’s orbit, what is the ratio of total kinetic energy and total energy of the electron

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#Question id: 20190

#XL - P Chemistry

The ratio between kinetic energy and the total f energy of the electrons of hydrogen atom according to Bohr’s model is