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Physics Mcqs

The operation of a transistor requires______________?

  • (A)  That the emitter be heated
  • (B)  That the base be heated
  • (C)  That the collector be heated
  • (D)  None of the above
Submitted By :Ali Uppal


Submitted By :Ali Uppal


The pressure exerted by a column of mercury 76cm high and at 0°C is called_______________?

  • (A)  1 atmosphere
  • (B)  1 Newton per square meter
  • (C)  1 Pascal
  • (D)  data is insufficient
Submitted By :Ali Uppal


Metabolism is the name of a process in which energy transformation takes place within______________?

  • (A)  Heat engine
  • (B)  Human body
  • (C)  Atmosphere
  • (D)  Laboratory
Submitted By :Ali Uppal


We can produce heat by________________?

  • (A)  Frictional process
  • (B)  Chemical processes
  • (C)  Electrical processes
  • (D)  All of the above
Submitted By :Ali Uppal


At constant temperature the graph between V and 1/P is_____________?

  • (A)  Hyperbola
  • (B)  Parabola
  • (C)  A curve of any shape
  • (D)  A straight lime
Submitted By :Ali Uppal


The scales of temperature are based on two fixed points which are_________________?

  • (A)  The temperatures of water at 0? 100?C
  • (B)  The temperature of melting ice and boiling water at atmospheric pressure
  • (C)  The temperatures of ice cold and boiling water
  • (D)  The temperatures of frozen and boiling mercury
Submitted By :Ali Uppal


Temperature is a property which determines_________________?

  • (A)  How much heat a body contains
  • (B)  Whether a body will feel hot or cold to touch
  • (C)  In which direction heat will flow between two systems
  • (D)  How much total absolute energy a body has
Submitted By :Ali Uppal


Dimension of pressure is__________________?

  • (A)  MLT
  • (B)  ML-1T-1
  • (C)  ML-1T-2
  • (D)  ML-2T-2
Submitted By :Ali Uppal


The specially designed semi-conductor diodes used as fast counters in electronic circuits are_______________?

  • (A)  The light emitting diodes
  • (B)  Photo diodes
  • (C)  Photo voltaic cell
  • (D)  Solar cells.
Submitted By :Ali Uppal