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Umme Asked a Question
August 10, 2020 5:40 pmpts 30 pts
Q.7. A beam of 450 nm light is incident on a metal having work function 2.0 eV placed in a magnetic field B. The most energetic electrons, emitted perpendicular to the field, are bent in circular arcs of radius 20 cm. Find the value of B.
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  • Ruby negi thankyou
    https://www.google.com/url?sa=t&source=web&rct=j&url=https://amp.doubtnut.com/question-answer-physics/a-beam-of-450-nm-light-is-incident-on-a-metal-having-work-function-20-ev-and-p...
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  • Chandra dhawan
    see attachment
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    Chandra dhawan
    it will help you
  • Somnath
    See attached files for complete solution.
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  • Chandra dhawan
    see attachment
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