Pressure in Liquids Quiz Questions and Answers PDF - 57

MCQ 281: A 15 N force exerted on a small piston of area 0.025 m². The large piston has the area of 0.05 m². What is the force exerted by the large piston on the load?

1. 500 N
2. 200 N
3. 300 N
4. 150 N

MCQ 282: The amount of thermal energy required to change 1 Kg of the solid to liquid, or vice versa, without any temperature change is known as

1. specific latent heat of fusion
2. latent heat of vaporization
3. latent heat of fusion of a solid
4. specific latent heat of vaporization

MCQ 283: When the speed of an object changes, its velocity

1. becomes zero
2. remains constant
3. also changes
4. decreases

MCQ 284: The state of matter in which the particles have very little attraction between them and move about randomly at a very high speed is called

1. liquids
2. solids
3. both solids and gases
4. gases

MCQ 285: The rate of evaporation increases when temperature

1. is zero
2. is negative
3. decreases
4. increases