The elastic limit for a gas

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Questions Match

1.
The elastic limit for a gas

1. Exists2. Exists only at absolute zero3. Exists for a perfect gas4. Does not exist

2.
For a given material, the Young's modulus is 2.4 times that of rigidity modulus. Its poison's ratio is

1. 0.42. 2.43. 0.24. 1.2

3.
A graph is shown between stress and strain for a metal. The part in which Hooke's law holds good is

1. OA2. AB3. BC4. CD

4.
For a particle executing simple harmonic motion, which of the following statement is not correct?

1. The total energy of the particle always remains the same2. The restoring force of always directed towards a fixed point3. The restoring force is maximum at the extreme positions4. The acceleration of the particle is maximum at the equilibrium position

5.
The momentum-time graph for a moving particle is shown in figure. The average force in time interval t = 0 s to t = 2 s is

1. 2 N2. 2.5 N3. 20 N4. 10 N

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The elastic limit for a gas