Gas Pressure MCQ (Multiple Choice Questions) PDF - 98

MCQ 486: An instrument used to measure the differences in pressure of gases or liquids is known as

1. thermometer
2. manometer
3. baroscope
4. barometer

MCQ 487: The density of mercury is

1. 1.36 × 10³ kg m^-3
2. 2.36 × 10³ kg m^-3
3. 4.36 × 10³ kg m^-3
4. 3.36 × 10³ kg m^-3

MCQ 488: With the increase in humidity, the rate of evaporation

1. decreases
2. increases
3. becomes zero
4. none of the above

MCQ 489: When the temperature increases, a large amount of thermal energy converted of air molecules into

1. kinetic energy
2. light energy
3. potential energy
4. chemical energy

MCQ 490: When forces are balanced, the object at rest will

1. remain at rest
2. start moving
3. vibrate
4. none of the above