What do you understand by the term unit?

Important Questions on Measurements and Experimentation

EASY

9th ICSE

IMPORTANT

Concise Physics I.C.S.E Part I For Class 9>Chapter 1 - Measurements and Experimentation>EXERCISE–1 (A)>Q 3

What are the three requirements for selecting a unit of a physical quantity?

EASY

9th ICSE

IMPORTANT

Concise Physics I.C.S.E Part I For Class 9>Chapter 1 - Measurements and Experimentation>EXERCISE–1 (A)>Q 4

Name the three fundamental quantities.

EASY

9th ICSE

IMPORTANT

Concise Physics I.C.S.E Part I For Class 9>Chapter 1 - Measurements and Experimentation>EXERCISE–1 (A)>Q 5

Name the three systems of units and state the various fundamental units in it.

EASY

9th ICSE

IMPORTANT

Concise Physics I.C.S.E Part I For Class 9>Chapter 1 - Measurements and Experimentation>EXERCISE–1 (A)>Q 6

Define a fundamental unit.

EASY

9th ICSE

IMPORTANT

Concise Physics I.C.S.E Part I For Class 9>Chapter 1 - Measurements and Experimentation>EXERCISE–1 (A)>Q 7

What are fundamental units in SI system? Name them along with their symbols.

EASY

9th ICSE

IMPORTANT

Concise Physics I.C.S.E Part I For Class 9>Chapter 1 - Measurements and Experimentation>EXERCISE–1 (A)>Q 8

Explain the meaning of derived units with the help of one example.

EASY

9th ICSE

IMPORTANT

Concise Physics I.C.S.E Part I For Class 9>Chapter 1 - Measurements and Experimentation>EXERCISE–1 (A)>Q 9

Define standard metre.

EASY

9th ICSE

IMPORTANT

Concise Physics I.C.S.E Part I For Class 9>Chapter 1 - Measurements and Experimentation>EXERCISE–1 (A)>Q 10

Name two units of length which are bigger than $a \mathrm{metre}$. How are they related to $\mathrm{metre}$?