Question

What are Units?

Detailed answer will be marked as brainlist

Answer 1

Units are essential in understanding a result. They’re also very helpful in determining whether a calculation is correct; and they can also be used to give back-of-the-envelope calculations. Another definition of unit is an individual thing or person regarded as single and complete but is also part of a whole or group. We also use the word unit while referring to the unit price of an item. It means the cost per item, per liter or per kilogram.

WHAT ARE UNITS FOR?

Units accomplish at least three things.

1.They provide the context of the measured quantity.

2.They provide the scale of the measured quantity.

3.They establish a common framework amongst scientists by which physical results are expressed.

Answer 2

$\huge{\underline{\underline{\red{Answer}}}}$

Units are quantities that are chosen as standard terms to measure the amount of Fundamental or Derieved quantities.

Example- mole, metre etc.

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$\underline{\boxed{\pink{Knowledge\:Cell}}}$

$\underline{\mathfrak{\green{Rules\:of\:writing\:units}}}$

• In Writing the units, small letters must be used
• Symbols are not followed by full stop
• If units are named after a scientist,it's symbol should be initial capital letter. Ex- N (newton)
• Symbols do not take plural form.
• First letter of name of units begins with small letter

$\underline{\mathfrak{\blue{Practical\:Units}}}$

There are some practical units which are simultaneously used with SI units.

1. fermi =${10}^{ - 15} m$
2. $micron = {10}^{ - 6} m$

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$\underline{\mathfrak{\pink{Supplementary\:SI\:Units}}}$

1. Radians
2. Stredian etc