Q What is the mass and charge on alpha particle?
Q What is radial distribution?
Q How to derive value of Rydberg constant?
Q How fast is an electron moving if it has a wavelength equal to the distance it travels in one second?
Q If uncertainity in position and momentum are equal .what is the uncertainity in velocity?
Q The first five ionization energies of an element are 801,2428,3660,25030,32835 in Kj/mol.then what could be the element ?
Q If the wavelength of first line of the balmer series of hydrogen atom is 656.1 nm,what would be the wavelength of second line of this series?
q1 the mass is 2n+2p-2e or he nucleus-2e.
q2 ---
q3 find eN1 and eN2. then use hc/wavelength=eN2-eN1. substitute values of energy then the value of the constant obtained will be R. get the equation to form wavenumber=R(1/n1-1/n2).
rest later...
q2 ---
q3 find eN1 and eN2. then use hc/wavelength=eN2-eN1. substitute values of energy then the value of the constant obtained will be R. get the equation to form wavenumber=R(1/n1-1/n2).
rest later...
q4 the ans comes out to be 0.02698 m/s.
q5 ---
q6 it appears to be boron
q7 5280.5 A0
q5 ---
q6 it appears to be boron
q7 5280.5 A0