1.

    In Lenard's experiment, if the intensity of the incident light is doubled while keeping the frequency constant, what will be the effect on the stopping potential?

    A

    Doubles

    B

    Halves

    C

    Increases slightly

    D

    Remains unchanged

    Question Tags
    πŸ“š Subject:Physics
    πŸ“‘ Chapter:Dual Nature of Matter and Radiation
    🎯Topic:Photoelectric Effect (Lenard'S Experiment)
    πŸŽ“ Ncert Level:Understanding
    🎯Difficulty :Hard
    ⚑ Time Required :1 mins
    πŸ”„Ncert Concepts :Photoelectric effect, Lenard's experiment, Intensity, Stopping potential, Frequency

    Related Questions

    1.

    Ultraviolet radiation of 6.2eV falls on an aluminium surface (work function 4.2eV). The kinetic energy in joule of the fastest electron emitted is approximately

    A

    3imes10βˆ’213 imes {10^{ - 21}}

    B

    3.2imes10βˆ’193.2 imes {10^{ - 19}}

    C

    3imes10βˆ’173 imes {10^{ - 17}}

    D

    3imes10βˆ’153 imes {10^{ - 15}}

    Question Tags
    πŸ“š Subject:Physics
    πŸ“‘ Chapter:Dual Nature of Matter and Radiation
    🎯Topic:Photoelectric Effect (Lenard'S Experiment)
    πŸŽ“ Ncert Level:Application
    🎯Difficulty :Medium
    ⚑ Time Required :2 mins
    πŸ”„Ncert Concepts :Photoelectric effect, Work function, Kinetic energy, Electronvolt to Joule conversion

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