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When the light of frequency is …

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When the light of frequency is 2.4 *10*15 Hz falls on a photosensitive surface the retarding potential is 6.8V.Find the work function?

    • Posted by Anjum Tamboli 5 years, 4 months ago

    CBSE > Class 12 > Physics
    • 1 answers

    Riya Rana 5 years, 4 months ago

    Using formula E= k.e + w (work function) by putting k.e as qV (where V is potential) we can now write the equation as--> w= hv - qV by putting the given values of frequency, potential and planks constant as 6.6×10*-34 and q= 1.6 × 10*- 19 we get the value of work function to be --> 5×10*-19 .

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