Quiz's for General Studies(GK) for Civil Service Exams 17 12

## June 19, 2014

### Some Important Physical Quantities and Their Units

 S No Physical Quantity Units 1 Length Metre 2 Time Second 3 Mass Kilogram 4 Area Square metre 5 Volume Cubic metre 6 Velocity Metre / second 7 Density Kilogram / Metre Cube 8 Energy Joule 9 Force Newton 10 Pressure Pascal or Newton / Square Metre 11 Frequency Hertz 12 Power Watt 13 Weight Newton or Kilogram 14 Heat Joule 15 Temperature Kelvin 16 Resistance Ohm 17 Electric current Ampere 18 Electromotive force Volt 19 Intensity of Sound Decibel 20 Power of lens Dioptre 21 Depth of Sea Fathom 22 Magnetic Intensity Orsted 23 Electric Power Kilo Watt or Watt 24 Acceleration Metre / Second Square 25 Momentum Kilogram Metre / Second 26 Work Joule 27 Impulse Newton- Second 28 Angular velocity Radian / Second 29 Viscosity Poise 30 Surface tension Newton / Square Metre 31 Absolute temperature Kelvin 32 Electrical conductivity Ohm / Metre 33 Electric Energy Kilo Watt hour 34 Charge Coulomb 35 Magnetic induction Gauss 36 Luminous flux Candela

 Factor Prefix Symbol 1018 exa E 1015 peta P 1012 tera T 109 giga G 106 mega M 103 kilo k 102 hecto h 101 deka da 100 10-1 deci d 10-2 centi c 10-3 milli m 10-6 micro m 10-9 nano n 10-12 pico p 10-15 femto f 10-18 atto a