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General Knowledge :: Physics

  1. According to Rutherford's atomic model, the electrons inside an atom are

  2. A.

     Centralized

    B.

     Not Stationary

    C.

     Stationary

    D.

     None of these


  3. Electrons carry a

  4. A.

     Positive Charge

    B.

     Negative Charge

    C.

     Variable Charge

    D.

     Neutral Charge


  5. An atom with more neutrons than protons is called

  6. A.

     Compound

    B.

     Element

    C.

     Isotope

    D.

     None of the above


  7. What part of the atom has a positive charge?

  8. A.

     Neutron

    B.

     Proton

    C.

     Electron

    D.

     All the above


  9. Who was the first scientist to discover Electrons?

  10. A.

     Albert Einstein

    B.

     Isaac Newton

    C.

     J.C. Bose

    D.

     J.J Thompson


  11. The wave like properties of electrons are useful in

  12. A.

     Magnifying objects

    B.

     Lasers

    C.

     Weather reports

    D.

     All of the above


  13. Who indirectly determined the mass of the electron by measuring the charge of the electron?

  14. A.

     Thomson

    B.

     Millikan

    C.

     Rutherford

    D.

     Einstein


  15. When an atom loses an electron it becomes

  16. A.

     Neutron

    B.

     Negative ion

    C.

     Positive ion

    D.

     None of the above


  17. What is the size of Electron as comapared to Proton and Neutron?

  18. A.

     1/355

    B.

     1/1236

    C.

     1/1836

    D.

     1/1923


  19. The force that binds the neutrons and protons in a nucleus is called as:

  20. A.

     Weak Nuclear Force

    B.

     Strong Nuclear Force

    C.

     Electromagnetic Force

    D.

     Gravitational Force