All Constant Values in Physics │ India Cover - INDIA COVER

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All Constant Values in Physics │ India Cover

CONSTANT VALUES USED IN PHYSICS 



Welcome you all , in this session we are going to discuss about the constant values are used in Physics. Don't think that constant value in physics is necessary to study or not. To become expert one should know about some constant values. And this helps the competitive aspirants to score more marks , because nowadays the questions are problems based topics only . If you know this topic so you can easily crack RRB, SSC, Tnpsc, Upsc  etc.., and other exams.
  • Speed of Light - 3 x 10⁸ m/s  (Exact value:- 299792458 m/s )
  • 1 Astronomical Unit - 1.5 x 10¹¹ m
  • 1 Light year - 9.46 x 10¹² km (or  9.46 x 10¹⁵ m )
  • Newton's Gravitational Constant(G) - 6.6742 x 10-¹¹m³/kg s²
  • Planck's Constant(h)- 6.634 x 10-³⁴ J s (or) 4.135 x 10-¹⁵eV s
  • Accleration Due to gravity - 9.8 m/s²
  • Stefan Boltzmann Constant - 5.67 x 10-⁸ W/m² K⁴
  • Gas Constant - 8.314 J/mol K
  • Boltzman Constant - 1.38 x 10 -²³ J / K
  • Coulomb's Constant(k) - 8.99 x 10⁹N m² / C²
  • 1 Parsec - 3.26 ly ( ly - Light year )
  • 1 Nautical Mile - 6020 feet
  • 1 Quintal - 10² Kg
  • 1 Metric Ton - 10³ Kg
  • 1 Pound - 0.4537 Kg
  • 1 Barrel - 119.24 Litre

To Know about Temperature Constant : Temperature Units

Basic Units :-

  • 1m = 100cm
  • 1 cm = 10 mm
  • 1000mm = 1m

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