Question

state the conventions use for the measurement of physical quantity​

Answer 1

Answer:

barometer i think

Explanation:

i will study in 10th

Answer 2

Explanation:

Physical quantities are the parameters that we can measure by using some or the other instruments in direct way or indirect way. There are 7 physical quantities:

• Length (meter)
• Luminous intensity (candela)
• Time (second)
• Thermodynamic temperature (kelvin)
• Mass (kilogram)
• Electric current (ampere)
• Amount of substance (mole)

These are 7 physical quantities that can be measured.

The units of the physical quantity are given in bracket. They are all SI units of those quantities. The CGS units are not given.