Question

Define the following physical quantities in SI and
give their symbols :
(i) Length, (ii) Mass, (iii) Time, (iv) Temperature,
(v) Luminous intensity, (vi) Electric current,
(vii) Quantity of matter.​

Answer 1

Answer:

Quantity Name 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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Answer 2

Answer:

Explanation:                                                                                                                                                            (i) length - SI unit of length is met                                                                                  (ii) mass - SI unit of mass is kilogram {kg}

(iii)time - SI units of time is second {s}

(iv)temperature - SI unit is kelvin {K}

(v) luminous intensity - SI unit is candela {cd}

(vi) electric current - SI unit is ampere {A}

(vii)Quantity of matter - SI unit is mole {mol}