What are different systems of units used...

What are different systems of units used for measuring all kinds of physical quantities?

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To answer the question regarding the different systems of units used for measuring physical quantities, we can break down the information into a structured format: ### Step-by-Step Solution: 1. **Introduction to Systems of Units**: - Units of measurement are essential for quantifying physical quantities. Different systems have been developed to standardize these measurements. 2. **First System: FPS System**: ...

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United physical quantity

can have non-zero dimensions

cannot have non-zero dimensions

must have zero dimensions

does not exist

Torr is the unit of physical quantity

density

pressure

torque

None

Statement-I: The product of the numerical value and unit of physical quantity remains same in every system of unit. Statement-II: magnitude of a physical quantity remains same in every system of units.

Statement-1 is true and statement -2 is true

Statement -1 is true and statement-2 is false

Statement-1 is false and statement -2 is true

Statement-1 is false and statement -2 is false