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PHYSICS MCQs

Total Questions : 3767 | Page 46 of 377 pages
Question 451. Electrons carry a
  1.    Positive Charge
  2.    Negative Charge
  3.    Variable Charge
  4.    Neutral Charge
 Discuss Question
Answer: Option B. -> Negative Charge
Question 452. An atom with more neutrons than protons is called
  1.    Compound
  2.    Element
  3.    Isotope
  4.    None of the above
 Discuss Question
Answer: Option C. -> Isotope
Question 453. What part of the atom has a positive charge?
  1.    Neutron
  2.    Proton
  3.    Electron
  4.    All the above
 Discuss Question
Answer: Option B. -> Proton
Question 454. Who was the first scientist to discover Electrons?
  1.    Albert Einstein
  2.    Isaac Newton
  3.    J.C. Bose
  4.    J.J Thompson
 Discuss Question
Answer: Option D. -> J.J Thompson
Question 455. The wave like properties of electrons are useful in
  1.    Magnifying objects
  2.    Lasers
  3.    Weather reports
  4.    All of the above
 Discuss Question
Answer: Option A. -> Magnifying objects
Question 456. Who indirectly determined the mass of the electron by measuring the charge of the electron?
  1.    Thomson
  2.    Millikan
  3.    Rutherford
  4.    Einstein
 Discuss Question
Answer: Option B. -> Millikan
Question 457. What is the size of Electron as comapared to Proton and Neutron?
  1.    1/355
  2.    1/1236
  3.    1/1836
  4.    1/1923
 Discuss Question
Answer: Option C. -> 1/1836
Question 458. When an atom loses an electron it becomes
  1.    Neutron
  2.    Negative ion
  3.    Positive ion
  4.    None of the above
 Discuss Question
Answer: Option C. -> Positive ion
Question 459. The force that binds the neutrons and protons in a nucleus is called as:
  1.    Weak Nuclear Force
  2.    Strong Nuclear Force
  3.    Electromagnetic Force
  4.    Gravitational Force
 Discuss Question
Answer: Option B. -> Strong Nuclear Force
Question 460. Proton carry a
  1.    Positive Charge
  2.    Negative Charge
  3.    Variable Charge
  4.    Neutral Charge
 Discuss Question
Answer: Option A. -> Positive Charge

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