A beam of electrons has an enegry of 1 joule. how many electrons are in the beam? please explain this to me clearly!
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We know,
Energy = nhv = eV
Energy = 1×1.6×10⁻¹⁹ = 1.6×10⁻¹⁹ eV
So, No.of Electrons = 1
Energy = nhv = eV
Energy = 1×1.6×10⁻¹⁹ = 1.6×10⁻¹⁹ eV
So, No.of Electrons = 1
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