Read & Learn some Physics Formulas And Definitions In Simple Way
Learn some Physics Formulas And Definitions In Simple Way
Chapter - SI Units And Constants
Topic - 1. SI Units
SI base units
Unit Name - Symbol - Quantity
Metre - m - length
Kilogram - kg - mass
Second - s - time
Ampere - A - electric current
Kelvin - K - temperature
Mole - mol - amount of substance
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Of D - block elements
SI derived unit
Name - Symbol - Quantity
Radian - rad - angle
steradian - sr - solid angle
hertz - Hz - frequency
newton - N - force, weight
pascal - Pa - pressure, stress
joule - J - energy, work, heat
watt - W - power, radiant flux, electric power
coulomb - C - electric charge
volt - V - voltage, electrical potential difference
farad - F - electric capacitance
ohm - Ω- electric resistance, impedance
siemens - S - electrical conductance
weber- Φ - magnetic flux
tesla - B - magnetic flux density
henry - L, M - inductance
degree Celsius - °C - temperature
lumen - lm - luminous flux
lux - lx - illuminance
becquerel - Bq - radioactivity
ampere - I - electric current
coulomb - Q - electric charge
ohm meter - p - resistivity
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* जाने कबीर दास का जीवन परिचय
* यदि हो पेट में गैस प्रॉब्लम तो क्या करे जाने आसान तरीके
* जानिये कौन सी गाड़ी किस शहर की है। एक बहुत महत्वपूर्ण मैसेज।
उत्तर प्रदेश के शहरों के व्हीकल यूनिक नंबर:
* कैसे जिओ सिम को चलाये 3G मोबाइल में जानने के लिए अपनाये ये सिंपल ट्रिक
Topic - 2.Standard Prefixes
Standard prefixes for the SI units of measure
Name Prefix Factor
Deca da 101
hecto h 102
kilo K 103
mega M 106
giga G 109
tera T 1012
peta P 1015
--------------------------------------------------------
Deci d 10-1
Centi c 10-2
Milli M 10-3
Micro M 10-6
Nano N 10-9
Pico P 10-12
Femto f 10-15
Topic - 3.Fundamental Physical Constants
Fundamental Physical Constants
Quantity - Symbol - Value
Planck constant - h - 6.62 × 10-34J.s
Atomic mass constant - u - 1.66 × 10−27 kg
Avogadro's number - N - 6.022 × 1023 ·mol−1
Boltzmann constant - k - 1.38 × 10−23 J·K−1
Molar gas constant - R - 8.314 J·K−1 mol−1
Speed of light - c - 2.99 × 108 m / s
Charge of electron - e - 1.60× 10−19 C
Coulomb constant - K - 8.98× 109 N m2 C−2
Proton mass - mp - 1.67 × 10−27 kg
Neutron mass - mn - 1.67 × 10−27 kg
Electron mass - me - 9.11 × 10−31 kg
Acceleration due to gravity at Earth’s surface - g - 9.8 m/s2
Newtonian constant of gravitation - G - 6.67 × 10−11 m3 kg−1 s−2
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