
MCQ 3: MEASUREMENT,SPEED, DENSITY, PRESSURE
Quiz by Monsur
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20 questions
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- Q1A student uses a measuring cylinder to measure the volume of some water. The diagram shows part of the measuring cylinder. The top and bottom of the meniscus are labelled. What is the volume of the water?47.0 cm347.5 cm349.0 cm349.5 cm345s
- Q2The graph represents the motion of a train travelling between two stations. Which statement about the train is correct?It travels at constant speed for less than half of its journey time.It travels 2000 m in the first 100 s.Its acceleration takes a longer time than its deceleration.It travels 10 000 m at constant speed45s
- Q3A car travels 6.0 km along a main road in 6.0 minutes. It then travels 2.0 km along a minor road in 6.0 minutes. Which calculation of average speed for the whole journey is correct?8.0 ÷ 12.0 = 0.67 km / minute12.0 ÷ 8.0 = 1.5 km / minute8.0 × 12.0 = 96 km / minute8.0 + 12.0 = 20 km / minute45s
- Q4Two metal blocks P and Q have identical dimensions. They hang on identical spring balances. What can be deduced about P and Q?They have different volumes, but equal masses.They have equal volumes, but different masses.They have equal volumes and equal weightsThey have different volumes and different weights.45s
- Q5A person measures the length, width, height and mass of a metal block with rectangular sides. Which of these measurements must be used in order to calculate the density of the metal?mass onlyheight and mass onlylength, width and height onlylength, width, height and mass45s
- Q6The diagram shows the only three forces acting on an object. What is the resultant force on the object?10.0 N towards the right0 N5.0 N towards the left5.0 N towards the right45s
- Q7A uniform rod rests on a pivot at its centre. The rod is not attached to the pivot. Forces are then applied to the rod in four different ways, as shown. The weight of the rod can be ignored. Which diagram shows the rod in equilibrium?ACBD45s
- Q8A helicopter takes off from the ground and rises vertically. It then hovers at a constant height above the ground. Which sequence of energy changes takes place during the gain in height?gravitational potential → chemical → kineticchemical → kinetic → gravitational potentialchemical → gravitational potential → kinetickinetic → chemical → gravitational potential45s
- Q9Four people of equal weight on a beach use different routes to get to the top of a sea wall. Which person produces the greatest average power?CADB45s
- Q10A vehicle sinks into soft ground. The vehicle is changed so that it does not sink as far. Which change is made?a more powerful enginea lower centre of masswider tyreswheels that are further apart45s
- Q11A manometer is used to measure the pressure of a gas trapped in a cylinder. At which labelled point on the diagram is the pressure greatest?DABC45s
- Q12A geologist compares the volumes of three rocks, X, Y and Z. Three measuring cylinders contain different volumes of water. He places each rock into one of the measuring cylinders. The diagrams show the measuring cylinders before and after the rocks are put in. Which row shows the volumes of X, Y and Z in order, from largest to smallest?BDAC60s
- Q13A car moves with constant speed and then constant acceleration. Which graph is the speed-time graph for the car?DBCA60s
- Q14A car travels 100 km. The journey takes two hours. The highest speed of the car is 80 km / h, and the lowest speed is 40 km / h. What is the average speed for the journey?120 km / h50 km / h60 km / h40 km / h60s
- Q15Diagram 1 shows a piece of foam rubber that contains many pockets of air. Diagram 2 shows the same piece of foam rubber after it has been compressed so that its volume decreases. What happens to the mass and to the weight of the foam rubber when it is compressed?DCAB60s