PHYSICS FOR RAILWAY GROUP D
We are providing some important one liner about Unit and Measurement for your upcoming Railway NTPC, group d, SSC and all competitive exam's
Unit and measurement
1. SI unit of Weight is Newton.
2. SI unit Resistance is Ohm.
3. SI unit of Stress is Newton per Metre Square
4. SI unit of Electric Current is Ampere.
5. Unit of Electric Charge is Coulomb.
6. Light year is the unit of Distance.
7. Unit of Power is known as Watt.
8. SI unit of Force is Newton.
9. SI unit of Displacement is Metre.
10. SI unit of Voltage is Volt.
11. SI unit of Temperature is Kelvin.
12. Loudness and sound pollution is measured by Decibel.
13. Lux is the SI unit of Intensity of illumination.
14. 1 kilowatt is equal to 1000 watt.
15. 1 horsepower is equal to 746 watt.
16. 1 diopter =1/m.
17. Relative density has No Unit.
18. Horsepower is the unit of Power Industry.
19. Light year is the unit of Distance.
20. SI unit of web speed equal to Metre/second.
21. SI units of Frequency is Hertz.
22. Magnetic flux - Weber.
23. Magnetic flux density - Tesla.
24. Self inductance - Henry.
25. Unit of momentum - kgm/s.
26. SI unit of Work & Energy - Joule.
( FOR RRB NTPC, Railway Group d, SSC & ALL GOVT. EXAM PREPARATION)
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