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Find the effective mass of photon …

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Find the effective mass of photon if the wave length of the radiation is 3000 ampere....

    • Posted by Mr. Singh 4 years, 6 months ago

    CBSE > Class 12 > Physics
    • 1 answers

    Sia ? 4 years, 6 months ago

     

    Here, m=?, λ=3000Å = 3×10−7m
    form E=mc2, m=E/c2 = (hc/λ)/c2
    = h/cλ = 6.63×10−34 / 3×108×3×10−7
    = 7.367×10−36kg

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