Evaporation Quiz Questions and Answers PDF - 149

MCQ 741: Rate of evaporation decreases as

1. the temperature increases
2. the humidity of the surrounding air increases
3. the movement of air above the surface of the liquid increases
4. the atmospheric pressure decreases

MCQ 742: SI unit' stands for

1. Symbolically Integrated Unit
2. Standard Integrated Unit
3. Scientific International Unit
4. Standard International Unit

MCQ 743: Statement related to pressure that is incorrect is

1. Pressure is directly proportional to force
2. Pressure is inversely proportional to area
3. SI unit for pressure is Pascal
4. Pressure = Force ⁄ (Area × Height)

MCQ 744: In vacuum, Light travels at a speed of

1. 3.0 × 10⁷ m s^-1
2. 30 × 10⁸ m s^-1
3. 3.0 × 10^-8 m s^-1
4. 3.0 × 10⁸ m s^-1

MCQ 745: During boiling process, the temperature

1. increases
2. decreases
3. remains constant
4. may increase or decrease