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101. When a running car stops suddenly, the passengers tends to lean forward because of
  A.  centrifugal force
  B.  Inertia of motion
  C.  Inertia of rest
  D.  Gravitational force
     
   
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102. Least audible sound for most of the human ear is
  A.  0.0002 µ bar
  B.  10.0 µ bar
  C.  0.005 µ bar
  D.  5.0 µ bar
     
   
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103. A small gap is left at the joints of rails in a railway track to
  A.  keep the rails equidistant
  B.  avoid the heating of tracks to high temperature
  C.  control the speed of train
  D.  avoid the tracks being distorted due to seasonal temperature variation
     
   
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104. Water drops cannot stick to the oily surface due to
  A.  lack of adhesive force
  B.  cannot mix each other
  C.  surface tension
  D.  Water is lighter than oil
     
   
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105. A water tank appears shallower when it is viewed from top due to
  A.  rectilinear propagation of light
  B.  refraction
  C.  total internal reflection
  D.  reflection
     
   
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106. The water form a hna dpump is warm in winter because
  A.  our body is cold in winter and the water appears to be warm
  B.  the pumping process causes friction which warms up the water
  C.  the temperature inside the earth is higher than the atmospheric temperature
  D.  inside water comes out and absorbs heat from the environment
     
   
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107. A stone is dropped from the roof of a house towards the ground. The kinetic energy of the stone will be maximum:
  A.  just after it is dropeed
  B.  when it is just on the half-way
  C.  When it touches the ground
  D.  just before it touches the ground
     
   
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108. If we want to calculate the presure of a liquid at the bottom of a vessel, the quantity whihc is not required to determine it, is
  A.  Height of the liquid column
  B.  surface area of the bottom of the vessel
  C.  Density of the liquid
  D.  Acceleration due to gravity at the bottom of the vessel
     
   
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109. The head mirror used by ENT doctors is
  A.  Concave
  B.  convex
  C.  Plane
  D.  Plano-convex
     
   
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110. The technique of collecting information about an object from a distance without making physical contact with it is
  A.  Remote accessing
  B.  Remote control
  C.  Remote sensing
  D.  Space shuttle
     
   
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