An electron and a photon both have same momentun 200Me V/C.compare their energy.
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energy will be same for both of them.. (not sure)
farah4:
plzz solve this
farah bhai .. kuch b ni hai.. dekh momentum is equals to mass x velocity.. so, kinetic energy is equal to 1/2mv2... put p and replace mv .. and then, find the answer
solve krna
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