Self Studies

Structure of th...

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  • Question 1
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    Which of the following air pressures in the discharge tube is appropriate for the production of cathode rays?

  • Question 2
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    Rutherford’s alpha-particle experiment was responsible for discovery of :

  • Question 3
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    According to 2nrule, which shell in an atom can accomodate 32 electrons :

  • Question 4
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    If K and L shells of an atom are full, then what would be the number of electrons in the atom?

  • Question 5
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    What is the e/m value of an electron?

  • Question 6
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    The main subatomic particles of a nucleus are :

  • Question 7
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    Match the following with the correct response :

     (1) Electron  (A) E.Goldstein
     (2) Proton  (B) Rutherford
     (3) Neutron  (C) James Chadwick
     (4) Atomic nucleus  (D) J.J.Thomson

  • Question 8
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    Match the following with the correct response 

    (1) Canal rays consist of positively charged particles protons  (A) Rutherford
    (2) Electrons are distributed in shells  (B) J.J.Thomson
    (3) Centre of an atom is dense  (C) J.Dalton
    (4) Atom is indivisible  (D) Neils Bohr

  • Question 9
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    Match the following with the correct response :

    (1) Discovery of subatomic particles (A) Positively charged
    (2) Energy levels (B) Orbits
    (3) Universal particles (C) Discharge tube
    (4) Canal rays (D) Electrons

  • Question 10
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    Match the following with the correct response :

     (1) Valency  (A) Combining capacity of an atom
     (2) Metals  (B) Gain electrons to became stable
     (3) Non-metals  (C) Lose electrons to become stable
     (4) Noble gases  (D) They have stable configuration

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