2. Sample Papers
  3. JEE Main & Advanced

JEE Main & Advanced Sample Paper JEE Main - Mock Test - 29

  • question_answer
    Monochromatic radiation of wavelength 640.2 nm from a neon lamp irradiates photosensitive material made of cesium. The stopping voltage is measured to be 0.54 V. The source is replaced by another source of wavelength 427.2 nm which irradiates the same photocell. The new stopping voltage is_____V.

    Answer:

    1.5


You need to login to perform this action.
You will be redirected in 3 sec spinner