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PHYSICS MCQs

Total Questions : 3767 | Page 375 of 377 pages
Question 3741. A lens that is thicker in the middle and thinner on the ends is a
  1.    Focal lens
  2.    Convex lens
  3.    diverging lenses
  4.    All of above
 Discuss Question
Answer: Option B. -> Convex lens
Question 3742. When you make sounds by plucking a rubber band, you make the rubber band move back and forth very quickly
  1.    loudness
  2.    amplitude
  3.    pitch
  4.    vibration
 Discuss Question
Answer: Option D. -> vibration
Question 3743. When an object rolls over a surface
  1.    Sliding Friction 
  2.    Rolling Friction 
  3.    Fluid Friction 
  4.    All of above
 Discuss Question
Answer: Option B. -> Rolling Friction 
Question 3744. The normalized wave function must have ________ norm
  1.    Infinite
  2.    Zero
  3.    Finite
  4.    Complex
 Discuss Question
Answer: Option C. -> Finite
Question 3745. Which of the following would produce the loudest sound?
  1.    jet plane
  2.    pin falling
  3.    doorbell
  4.    whisper
 Discuss Question
Answer: Option A. -> jet plane
Question 3746. Which one is correct Schrodinger time dependent equation?
  1.    H = E
  2.    H = Eψ
  3.    Hψ = ψ
  4.    Hψ = Eψ
 Discuss Question
Answer: Option D. -> Hψ = Eψ
Question 3747. The operator ∇2 is called _______ operator
  1.    Hamiltonian
  2.    Laplacian
  3.    Poisson
  4.    Vector
 Discuss Question
Answer: Option B. -> Laplacian
Question 3748. A jet engine works on the principle of conservation of
  1.    Linear momentum
  2.    Angular momentum
  3.    Energy Mass
  4.    Mass Velocity
 Discuss Question
Answer: Option A. -> Linear momentum
Question 3749. Ball pen works on principle of
  1.    Boyle's law
  2.    Newton's law
  3.    Viscosity
  4.    Capillarity and surface tension
 Discuss Question
Answer: Option D. -> Capillarity and surface tension
Question 3750. Morgan walks 10 miles South
  1.    Different average speeds
  2.    Different velocities
  3.    Same velocity
  4.    Same motion
 Discuss Question
Answer: Option B. -> Different velocities

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