Thursday, January 30, 2020

Grade 9,Activity2, Photoelectric Effect


Photoelectric Effect:


- Use the following website to answer the following questions: (10 Min.)



    Note: Send the answers to adawyaf@yahoo.com



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1 comment:

  1. honzoda and mariaFebruary 6, 2020 at 3:15 AM

    Maria and honzoda act2
    quest2: 450
    quest3:5.6*10^-4
    quest4: 7.6*10^-28

    ReplyDelete

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