A caliper is more accurate.
A vernier caliper.
The vernier caliper was invented by Pierre Vernier, a French mathematician, in 1631. It is an instrument used to measure internal and external dimensions as well as depths with high precision. Vernier's design included a sliding scale that allowed for more accurate measurements than traditional measuring tools at the time. The tool is named after him, reflecting his contribution to precision measurement.
A vernier caliper would be a good way, unless you need a more accurate measurement, in which case I might use a micrometer caliper.
The main scale of a vernier caliper is the fixed scale that provides measurements in standard units, typically in millimeters or inches. In contrast, the vernier scale is a sliding scale that allows for more precise measurements by providing fractional divisions between the main scale markings. The primary difference lies in their function: the main scale gives the whole number measurement, while the vernier scale enables the user to read additional precision by aligning markings to find the exact value. Together, they allow for accurate measurements of small dimensions.
It can, but the vernier is capable of a more accurate reading.
A screw gauge has a smaller pitch than a Vernier caliper, which allows for more precise measurements. The screw gauge also provides a digital reading, which reduces human error in reading measurements. Additionally, the screw gauge has a finer scale that allows for more accurate readings compared to a Vernier caliper.
Verniers give you a less accurate approximation of the thickness, whereas a micrometer can give a more accurate measurement, often by 100 orders more accurate.
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the instrument can be made more sensitive by making vernier constant less ie by incresing the no of division on vernier scale or by decreasing the value of main scale.
A caliper is more accurate.
A vernier caliper.
The importance of least count is that it has a capable of taking more accurate and precise measurements
The micrometer caliper is generally more accurate in measuring the density of an object compared to the vernier caliper. This is because the micrometer caliper has a higher precision and can measure with greater accuracy, typically up to 0.01mm.
The vernier caliper is more accurate that a plastic ruler. That's because the caliper is designed to be used and effectively read to measure small distances. And it does this better than a "regular" ruler because it has a vernier scale built into it. It's like an "amplified ruler" attached to the device that has increased accuracy. A link is provided to the Wikipedia article on the vernier caliper and to the one on the vernier scale. Check out the pictures and skim the details. You should be able to pick it up with a bit of thought.
A vernier caliper has an additional scale that allows for more precise measurements compared to a regular caliper. This increased precision is due to the smaller increments on the vernier scale, which can help in obtaining more accurate measurements.
It's designed to measure short distances more accurately than a ruler or tape measure, specifically the outside or inside opposing faces of an object. An example of it's use is to measure the outside diameter of a pipe.