u/Agitated-Salt-5039

So I am learning nuclear fission, it said that fission of reactant mass is less of products than reactant, how does this happen is energy being sent over to split the uranium into constituents nucleons and nucleons combine to form 2 daughter nuclei? Is it like this I supply the binding energy to split uranium and then nucleons combine 2 daughter nuclei and release energy, is energy released bigger than initially energy supplied ??

If positive potential difference is applied between cathode and anode, the electrons emitted per second reach reaches a constant value for increasing voltage? But isn’t there an electric field between cathode and anode?? Will electric field be enough to pull electrons from cathode on its own?? Sorry if this a dumb questions

As slit spacing gets smaller, fringe spacing gets bigger , what does that mean do the maxima get bigger and minima gets smaller or do they both get bigger together and are same size???? Also does intensity of maxima decrease??