O Level Online Exam Test Multiple Choice Questions (MCQ) PDF - 160

MCQ 796: If air at a pressure of 1 MPa is compressed such that the new volume of the air is one quarter of its initial volume, then the new pressure of the air is

1. 1 M Pa
2. 0.25 M Pa
3. 2 M Pa
4. 4 M Pa

MCQ 797: From the physics point of view, work is being done by

1. A man carrying a heavy pile of books in a stationary position
2. A boy rote learning for his physics exam
3. A girl working on her Math homework
4. None of them

MCQ 798: Amount of matter in a body is termed as

1. Weight
2. Force
3. Mass
4. Tension

MCQ 799: Two points on same line at same distance and speed are said to be in

1. parallel
2. phase
3. displacement
4. pair

MCQ 800: Every temperature measuring instrument makes use of a physical property of a substance in order to measure temperature objectively, which physical property is used by resistance thermometer?

1. Electromotive force
2. resistance of a piece of metal
3. Volume of a fixed mass of liquid
4. Pressure of a fixed mass of gas at constant volume