sir yaha pe m=1 ana chahiye na toh sir ne 0 kyu liya
An element with mass number 81 contains 31.7% more neutrons as compared to protons .Find the symbol of the atom?SIR, EXPLAIN ME WITH SOLUTION?
sir kya visible radiations human eye ko visible hai???
sir iss formula me W kya hai.....wavelength ya work function ya simple work?????