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180 Marks in JEE Main Percentile 2025 for General, OBC, SC/ST

System Of Unit - Practice Questions & MCQ

Edited By admin | Updated on Sep 18, 2023 18:34 AM | #JEE Main

Quick Facts

  • System of unit is considered one of the most asked concept.

  • 9 Questions around this concept.

Solve by difficulty

Which of the following prefixes represents the largest value in the SI system?

Which of the following is a non-SI unit commonly used in the field of radiation?

Concepts Covered - 1

System of unit

A complete set of units, for all kinds of physical quantities (both fundamental and derived ), is known as a system of units.

Types of System of unit

  • C.G.S. system- In this system, fundamental units are centimeter (cm), gram (g) and second (s).

  • M.K.S. System- In this system, fundamental units are meter(m), kilogram(kg) and second (s).

  • F.P.S. system- In this system foot(ft), pound(lb) and second(s) is used for measurement of length, mass and timerespectively.

  • S.I. System- It is known as the International System of units. There are seven fundamental quantities in this system.

 It is the modification of m.k.s system   

Fundamental Quantity

Fundamental Units

Symbol

Length

meter

m

Mass

Kilogram

Kg

Time

second

s

Electric current

Ampere

A

Temperature

Kelvin

K

Amount of substance

mole

mol

Luminous Intensity

candela

cd

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System of unit

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