Question

E. Answer the following questions.
1. What are fundamental units? How do they differ from derived units?
2. Name three devices used for measuring length.
3. Draw a diagram of a laboratory thermometer and show the lower and upper fixed points in it
4. Arrange the following lengths in their increasing magnitude:
metre, centimetre, kilometre, millimetre
5. Arrange the following masses in their decreasing magnitude:
kilogram, quintal, milligram, gram
6. Name two units of mass bigger than kg.​

Answer 1

1 )Fundamental units are all those units which are independent of any other unit (including themselves). Derived units are all those units which are obtained by multiplying and/or dividing one or more fundamental units with or without introducing any other numerical factor.

Answer:

2) meter, centimetres, kilometres