Fundamental Forces in Physics Quiz
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Questions and Answers

Which force is responsible for radioactive decay and neutrino interactions?

  • Strong force
  • Gravitational force
  • Weak force (correct)
  • Electromagnetic force
  • What is the relative strength of the electromagnetic force compared to the strong force?

  • 1
  • 0.1
  • 0.01 (correct)
  • 10^-10
  • Which force is charge independent, then spin dependent and always saturates?

  • Electromagnetic force
  • Strong force (correct)
  • Gravitational force
  • Weak force
  • What is responsible for the force carriers of the weak force?

    <p>Vector bosons (Z 0 ,W+,W−)</p> Signup and view all the answers

    Which force causes the repulsion between like electrical charges or the interaction of bar magnets?

    <p>Electromagnetic force</p> Signup and view all the answers

    What is the preferred reagent for replacing the hydroxyl group of an alcohol with a halogen?

    <p>Thionyl chloride</p> Signup and view all the answers

    What is the catalyst required for the reaction of primary and secondary alcohols with HCl?

    <p>ZnCl2</p> Signup and view all the answers

    Which method is used for preparing alkyl bromide?

    <p>Constant boiling with HBr (48%)</p> Signup and view all the answers

    How are phosphorus tribromide and triiodide usually generated in the reaction mixture?

    <p>By the reaction of red phosphorus with bromine and iodine respectively</p> Signup and view all the answers

    What is the order of reactivity of alcohols with a given haloacid?

    <p>3°&gt;2°&gt;1°</p> Signup and view all the answers

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