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A 12.5 eV electron beam is …

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A 12.5 eV electron beam is used to excite a gaseous hydrogen atom at room temperature. Determine the wavelength and corresponding series of lines emitted.

    • Posted by Ankit Sinha 6 years, 9 months ago

    CBSE > Class 12 > Physics
    • 1 answers

    Ankita Vats 6 years, 9 months ago

    E=hc/lambda, E = 12.5eV c = 3×10 raise to power 8 h= 8.85×10 raise power and than put value and answer is there.

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