get the app get the app       get the app       get the app
Electron microscope was invented by

1)Knoll and ruska

2)Robert Koch

3)Leeuvenhock

4)CPS wanson


  • : 251
  • : 17
    Previous Next

    Knoll and ruska

    Suggest other answer
    Login to Discuss/suggest the answer...

  • Exam: Light QUESTIONS





    Close(X)
    Subscribe here for free mock test on IAS PCS SSC and other competitive exam. Signup here to get SSC CGL Solution and main exam study material