Density: O Level Physics Quiz Questions and Answers PDF - 117

MCQ 581: Volume of glass is 15 m³ and its density is about 2500 kg m^-3, its mass would be

1. 3750 kg
2. 37500 kg
3. 4 × 10^-4
4. 375 kg

MCQ 582: A bus of mass 20000 kg accelerates from rest to 40 m s^-2 in 10 seconds. The forward thrust of the car is

1. 500 N
2. 19960 N
3. 80000 N
4. 50 N

MCQ 583: 1 atmosphere is equal to

1. 76 cm Hg
2. 76 cm H₂O
3. 76 cm MgO
4. 76 cm Oil

MCQ 584: If an unmarked mercury thermometer has l₁₀₀ 38 cm and l₀ is 8 cm, if the l_θ is 5 cm the temperature of the thermometer would be

1. −10 °C
2. −20 °C
3. −30 °C
4. −40 °C

MCQ 585: Speed is a

1. Scalar quantity
2. Vector quantity
3. Base quantity
4. Derived quantity