Question

what is a physical unit ? write the essential requirements that a physical unit must meet ?​

Answer 1

Answer:

physical units Units used in measuring physical quantities. For example, the kilogram unit of mass is defined as the mass of a specified block of platinum. ... They include Imperial units (foot, pound, second), CGS units (centimetre, gram, second), and MKS units (metre, kilogram, second).

Explanation:

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Answer 2

1) ᴘʜʏsɪᴄᴀʟ ᴜɴɪᴛ:-

physical units Units used in measuring physical quantities. ... They include Imperial units (foot, pound, second), CGS units (centimetre, gram, second), and MKS units (metre, kilogram, second). For all scientific purposes, SI units have been adopted.

2) ᴇssᴇɴᴛɪᴀʟ ʀᴇǫᴜɪʀᴇᴍᴇɴᴛs ᴛʜᴀᴛ ᴀ ᴘʜʏsɪᴄᴀʟ ᴜɴɪᴛ ᴍᴜsᴛ ᴍᴇᴇᴛ:-

The unit should be reproducible.

The unit should be reproducible.It should be possible to define the unit without ambiguity.

The unit should be reproducible.It should be possible to define the unit without ambiguity.The value of the unit should not change with space and time.

ʜᴏᴘᴇ ɪᴛs ʜᴇʟᴘғᴜʟ.♥