Which of the following is true for the most important form of DNA damage which produces pyrimidine dimers from adjacent pyrimidine bases?

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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

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#Question id: 20191

#XL - P Chemistry

In Bohr series of lines of hydrogen spectrum, the third line from the red end corresponds to which one of the following inter-orbit jumps of the electron for Bohr orbits in an atom of hydrogen ?

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#Question id: 20192

#XL - P Chemistry

The orbital angular momentum for an electron revolving in an orbit is given by  This momentum for an s-electron will be given by