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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > (a) Find an approximate expression for the mass of a nucleus of mass number A. (b) Find an expression for the volume of this nucleus in terms of the mass number. (c) Find a numerical value for its density.

(a) Find an approximate expression for the mass of a nucleus of mass number A. (b) Find an expression for the volume of this nucleus in terms of the mass number. (c) Find a numerical value for its density.

An electron in hydrogen-like atom makes a transition from nth orbit and emits radiation corresponding to Lyman series. If de-Broglie wavelength of electron in nth orbit is equal to the wavelength