19. Of the following, which is the most appropriate to use for measuring mass?
Answer: D
Triple beam balance is the most appropriate tool for measuring mass.
A triple beam balance is specifically designed for measuring the mass of objects accurately, making it the most suitable choice among the options provided.
A) Tape measure
A tape measure is primarily used for measuring length or distance, not mass. While it is a useful tool in various applications, it does not provide any measurement related to mass, rendering it incorrect for this question.
B) Graduated cylinder
A graduated cylinder is used to measure the volume of liquids. Although it is a precise tool for volumetric measurements, it does not measure mass directly, making it unsuitable for this particular question.
C) Stopwatch
A stopwatch is utilized for measuring time intervals and has no relevance to mass measurement. Its purpose is entirely different, which disqualifies it from being the correct choice in this context.
D) Triple beam balance
The triple beam balance is specifically designed for measuring mass, offering high precision and accuracy. It allows for the weighing of various objects, making it the ideal choice among the options given.
Conclusion
The triple beam balance is definitively the correct answer because it is the only instrument among the options that measures mass directly. The other options, such as the tape measure, graduated cylinder, and stopwatch, serve different purposes and do not provide mass measurements, thus confirming the triple beam balance's unique suitability for this task.