Video: Measuring the Volume of a Liquid

Which of the following instruments is used to measure the volume of a liquid? [A] A thermometer [B] A weighing scale [C] A meter ruler [D] A measuring cylinder [E] A multimeter

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Video Transcript

Which of the following instruments is used to measure the volume of a liquid? A thermometer, a weighing scale, a meter ruler, a measuring cylinder, a multimeter.

Among these options, we have all sorts of measurement devices. To figure out which one is used to measure the volume of a liquid, let’s go through them one by one and explain what they measure. We know that our first option, a thermometer, is a device that measures heat. In particular, it measures temperature. So that won’t help us know the volume of a liquid. So we won’t choose that as our answer.

Next, we consider a weighing scale. A scale of this sort is something we would use to determine the weight or the mass of an object, not the volume of a liquid. That won’t be our choice either. The next option, a meter ruler, is a device for measuring distance. And we can see that distance and liquid volume are two different things.

A measuring cylinder or a graduated cylinder is a device for measuring volume. And that volume could be the volume of a liquid. Or it also could be the volume of a solid. Either way, a measuring cylinder will work. So this option is looking like a good choice. But let’s consider our last option, a multimeter. This is a device used in electrical circuits. It can read out voltage, current as well as resistance. So this won’t be our choice either for measuring the volume of a liquid.

Our best option then and the correct option is option d, a measuring cylinder. This is an instrument used to measure the volume of a liquid.

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