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MCQs

Total Questions : 622 | Page 9 of 63 pages
Question 81. N+l value of4f orbital is
  1.    3
  2.    9
  3.    8
  4.    7
 Discuss Question
Answer: Option D. -> 7
Answer: (d).7
Question 82. Beam of alpha particles in Rutherford's experiment was produced from hole in
  1.    titanium
  2.    lead
  3.    tungsten
  4.    silver
 Discuss Question
Answer: Option B. -> lead
Answer: (b).lead
Question 83. Bohr theory was not able to explain
  1.    monoelectron systems
  2.    Li ions
  3.    multielectron systems
  4.    hydrogen atom
 Discuss Question
Answer: Option C. -> multielectron systems
Answer: (c).multielectron systems
Question 84. Pressure inside tube to discover electrons effect
  1.    voltage
  2.    pressure
  3.    heat
  4.    sensitivity
 Discuss Question
Answer: Option A. -> voltage
Answer: (a).voltage
Question 85. D-sub shell have shape which is
  1.    simple
  2.    doubtful
  3.    oblonged
  4.    complicated
 Discuss Question
Answer: Option D. -> complicated
Answer: (d).complicated
Question 86. Louis de Broglie concept was given in
  1.    1960
  2.    1930
  3.    1924
  4.    1987
 Discuss Question
Answer: Option C. -> 1924
Answer: (c).1924
Question 87. Radioactive copper is converted into other element by emission of
  1.    alpha particles
  2.    beta particles
  3.    gamma particles
  4.    zeta particles
 Discuss Question
Answer: Option B. -> beta particles
Answer: (b).beta particles
Question 88. Wavelength of X rays produced is dependent upon
  1.    volume of material
  2.    density of material
  3.    nature of material
  4.    length of material
 Discuss Question
Answer: Option C. -> nature of material
Answer: (c).nature of material
Question 89. Proton number is represented by
  1.    A
  2.    G
  3.    H
  4.    Z
 Discuss Question
Answer: Option D. -> Z
Answer: (d).Z
Question 90. Dependence of angular momentum is on
  1.    quantum energy
  2.    quantum number
  3.    quantum density
  4.    thickness
 Discuss Question
Answer: Option B. -> quantum number
Answer: (b).quantum number

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