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Physics Mcqs

Submitted By :Ali Uppal


Michelson calculated the speed of light using the instruments______________?

  • (A)  spectrometer
  • (B)  galvanometer
  • (C)  interferometer
  • (D)  none of these
Submitted By :Ali Uppal


The equation θ = 1.22 λ/D was devised by_______________?

  • (A)  Newton
  • (B)  Einstein
  • (C)  Raleigh
  • (D)  Planks
Submitted By :Ali Uppal


A convex lens acts as a diverging lens if the_________________?

  • (A)  object is beyond C
  • (B)  if the object is with in C
  • (C)  if the object is within f
  • (D)  both B and C
Submitted By :Ali Uppal


Michelson devised the formula to calculate the speed of light_______________?

  • (A)  C = 4fd
  • (B)  C = 8fd
  • (C)  C = 16fd
  • (D)  C = 5/2fd
Submitted By :Ali Uppal


Submitted By :Ali Uppal


The penetrating power of X-rays depends on their______________?

  • (A)  applied voltage
  • (B)  frequency
  • (C)  source
  • (D)  all of the above
Submitted By :Ali Uppal


Bracket series is obtained when all transition of electron terminate on_______________?

  • (A)  4th orbit
  • (B)  5th orbit
  • (C)  3rd orbit
  • (D)  2nd orbit
Submitted By :Ali Uppal


Submitted By :Ali Uppal


Ground state energy of the 4th orbit in a H-atom is_____________?

  • (A)  13.60 eV
  • (B)  3.40 eV
  • (C)  0.85 eV
  • (D)  1.51 eV
Submitted By :Ali Uppal