niti117
Asked:
December 2022
Derive the expression of energy for electron in n th bohr orbit electron in a single electon species.
please ...... if possible explain its meaning ....its sanskrit
niti117
Asked:
December 2022
10 ml of liquid carbon disulphide (specific gravity 2.63) is burnt in oxygen. find the volume of the resulting gas is measured at STP
two persons are holding a rope of negligible weight tightly at its end so that it is horizontal . A 15 kg weight is attached to the rope at the mid point which now no longer remains horinzontal . The minimum tension required to completely straighten the rope isA) 15kgB)15/2...
niti117
Asked:
December 2022
1 g of a mixture of carbonates of calcium and magnesium gave 240 cm3 of CO2 at STP. Calculate the percentage composition of the mixture.
niti117
Asked:
December 2022
why do two parallel roads seem like they are converging towards each other smwhere in infinity and will meet?
how to calculate percentage strength of an acid?
niti117
Asked:
December 2022
find the quantum no. 'n' corresponding to the excited state of He+ if on transition to the ground state that ion emits two photons in succession with wavelengths 108.5 and 30.4 nm
niti117
Asked:
December 2022
wavelength of high energy transition of H atom is 91.2 nm. calculate the corresponding wavelength of He+ ion
niti117
Asked:
December 2022
this ques is related to ionic equilibrium(ques no. 66) ....hope i wud b hlped