ICSE Class 9 Answered
What is meant by complementary Units?what is the value of 1 amu and it has derivef
Asked by shabana | 05 Oct, 2018, 02:59: PM
Expert Answer
Supplementary units
- Supplementary units are dimensionless units that are used with the fundamental units (like length, mass and time) to create the derived units.
- These supplementary units are applied in two of the major geometric variables like the measurement of phase angle (measured in radian) and solid angle (measured in steradian).
Atomic mass unit
- Atomic mass unit is also known as 'dalton' with the symbol of 'u' or 'Da'.
- It is a standard unit of mass that quantifies mass on an atomic or molecular scale (atomic mass).
- One atomic mass unit is approximately equal to the mass of one nucleon.
- It is mathematically expressed as one twelfth of the mass of a neutral atom of carbon-12.
Answered by Abhijeet Mishra | 05 Oct, 2018, 04:33: PM
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