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Physics Mcqs

When two protons are brought together_____________________?

  • (A)  Kinetic energy increases
  • (B)  P.E. between them increases
  • (C)  P.E. between them decreases
  • (D)  P.
  • (E)  between tem does not change
Submitted By :Ali Uppal


The relation between the escape velocity V esc and orbital speed Vo is given by________________?

  • (A)  V esc = 1/2Vo
  • (B)  V esc = -2 Vo
  • (C)  V esc = Vo
  • (D)  V esc = 2Vo
Submitted By :Ali Uppal


Work has the dimension as that of same as that of__________________?

  • (A)  torque
  • (B)  angular momentum
  • (C)  linear momentum
  • (D)  power
Submitted By :Ali Uppal


One mega watt hour is equal to_________________?

  • (A)  36 x 106 J
  • (B)  36 x 1012 J
  • (C)  36 x 109 J
  • (D)  36 x 108 J
Submitted By :Ali Uppal


When the speed of a moving body is doubled then___________________?

  • (A)  its K.E is doubled
  • (B)  its acceleration is doubled
  • (C)  its P.E is doubled
  • (D)  its momentum is doubled
Submitted By :Ali Uppal


Gravitational P.E of a body has____________________?

  • (A)  no formula
  • (B)  a formula mgh only
  • (C)  a formula
  • (D)  no general formula
Submitted By :Ali Uppal


Submitted By :Ali Uppal


The tides raise the mater in the see roughly in a day___________________?

  • (A)  once
  • (B)  twice
  • (C)  four time
  • (D)  eight time
Submitted By :Ali Uppal


Work done on the body equals to the _____________________?

  • (A)  change in its K.E always
  • (B)  change in its P.E always
  • (C)  change in its K.E and change in its P.E
  • (D)  neither change in K.E and nor change in its P.E
Submitted By :Ali Uppal


Submitted By :Ali Uppal