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.
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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.
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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:
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}