Eukaryotes that are not closely related and that do not share many anatomical similarities can still be placed together on the same phylogenetic tree by comparing their ________.

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#Question id: 20042

#XL - P Chemistry

Suggest two transitions in hydrogen spectrum for which wave number ratio is 108:7

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#Question id: 20045

#XL - P Chemistry

The ratio of K.E. to P.E. of an electron in Bohr orbit of H like species is

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#Question id: 20046

#XL - P Chemistry

For particles having same KE., the de-broglie wavelength is

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#Question id: 20047

#XL - P Chemistry

In one joule of energy, the number of photon with wave number equal to is

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#Question id: 20048

#XL - P Chemistry

Which of the expression given below gives IE of H atoms in terms of Rydberg’s constant (RH)?

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#Question id: 20049

#XL - P Chemistry

One unpaired electron causes magnetic moment of 1.1 B.M. The magnetic moment of Fe⁺² ion is