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Photo-Electric Effect (MP-A-PE)

Photo-Electric Effect (MP-A-PE)

  • Description

    Product Description


    1.   Clean the zinc plate very well with steel wool. Then put the plate into the top of the  electroscope as shown.
    2.   Place the electroscope in front of the UV lamp.
    3.   Rub the PVC rod with the paper towel & charge electroscope by touching the rod to the plate.
    4.   Depress the switch on the UV lamp.  The electroscope will discharge.
    5.   Repeat with the lucite end of the rod (positive charge).  You see no discharge.
    6.  Blocking plastic can be placed between the electroscope & the light to block UV.  There will be no discharge w/ either charge on it.