61. An ice cube is floating in a glass of water. What happens to the water level when the ice melts?
62. When a coil spring is compressed, the work is done on the spring. What is the elastic potential energy?
63. Bulk modulus of elasticity is defined as
64. Which of the following is not based on the Archimedes Principle?
65. In CGS system, the unit of strain is:
66. As the depth decreases from the free surface of a fluid, the pressure exerted by the liquid will be-
67. Pressure at any point of a liquid increases with
68. Soaps clean surfaces on the principle of based on
69. The modulus of rigidity of a liquid is
70. Due to which property the falling drop of water is spherical-
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