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Physics Mcqs

The rectangular voltage is an example of____________________?

  • (A)  An analogue waveform
  • (B)  Continuous wave form
  • (C)  Electronic waveform
  • (D)  A digital waveform
Submitted By :Ali Uppal


The size of one degree of Celsius is equal to_________________?

  • (A)  One degree of Fahrenheit scale
  • (B)  1.8 degrees of Fahrenheit scale
  • (C)  3.2 degrees of Fahrenheit scale
  • (D)  2.12 degrees of Fahrenheit scale
Submitted By :Ali Uppal


Submitted By :Ali Uppal


Normal human body temperature 98.6°F corresponds to______________?

  • (A)  37°C
  • (B)  42°C
  • (C)  55°C
  • (D)  410°C
Submitted By :Ali Uppal


Numerical value of Boltzmanns constant is______________?

  • (A)  1.38×10-31JK-1
  • (B)  3.18×10-31JK-1
  • (C)  3.18×10-23JK-1
  • (D)  1.38×10-23JK-1
Submitted By :Ali Uppal


We prefer mercury as a thermometric substance because______________?

  • (A)  Over a wide range of temperature its expansion is uniform
  • (B)  It does not stick to thermometer glass
  • (C)  It opaque to light
  • (D)  All of above
Submitted By :Ali Uppal


In a clinical thermometer the mercury in the capillary tube does not contract once removed from the patient because_______________?

  • (A)  Mercury takes a long time to contract
  • (B)  The amount of mercury use is very small
  • (C)  The capillary tube has a small constriction near the bulb
  • (D)  The capillary tube is very narrow
Submitted By :Ali Uppal


Which one is not an example of adiabatic process ?

  • (A)  rapid escape of air from a burst tyre
  • (B)  rapid expansion of air
  • (C)  conversion of water into ice in refrigerator
  • (D)  cloud formation in the atmosphere
Submitted By :Ali Uppal


If the volume of a gas is held constant and we increase its temperature then_______________?

  • (A)  its pressure is constant
  • (B)  its pressure rises
  • (C)  its pressure falls
  • (D)  any of above
Submitted By :Ali Uppal


Boyles law helds for ideal gases in________________?

  • (A)  isochoric processes
  • (B)  isobaric processes
  • (C)  isothermal processes
  • (D)  adiabatic processes
Submitted By :Ali Uppal