51. When a body is completely or partially immersed in a fluid, this body experiences a force equal to the weight of the displaced fluid, this principle is known as
52. Along a streamline flow of fluid,
53. 1 pascal equal 1 . . . . . . . .
54. The temperature during solid melting-
55. Two cars, passing each other at high speed, are in danger of side swiping because
56. Bernoulli's theorem deals with the principle of conservation of-
57. The elastic potential energy of a body is
1. Work done by the external force against the deforming force.
2. Work done against the external force by the deforming force.
3. The sum of work done by the external force and the deforming force.
Which one option is true?
1. Work done by the external force against the deforming force.
2. Work done against the external force by the deforming force.
3. The sum of work done by the external force and the deforming force.
Which one option is true?
58. Which of the following options is true with respect to diffusion of gases with respect to solid and liquid?
59. The spring balance works on the principle of . . . . . . . .
60. Longitudinal strain is defined when
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