1
Write short notes on the following.
a) Unit
b) Rounding - off
Answers
Answer:
Unit : The standard is known as unit of that physical quantity. Mainly, there are three type of unit. ... C.G.S unit :- in which mass is measured by gram, length is measured by centimeter and time is measured by second. F.P.S unit :- it is short form of foot - pound - sec unit.
Rounding off : Rules of the Round-off are ⇒
Rules of the Round-off are ⇒If the digits coming after the desired numbers of the significant figures is less than 5, then the Preceding digits will remains unchanged. 3. If the digit coming after the desired numbers of the significant numbers is 5, then the Preceding digits will be increased by 1 only if it is odd.
Answer:
The Zeeman effect, named after Dutch physicist Pieter Zeeman, is the effect of splitting of a spectral line into several components in the presence of a static magnetic field. It is analogous to the Stark effect, the splitting of a spectral line into several components in the presence of an electric field.