EASY
9th ICSE
IMPORTANT
Earn 100

The distance of a star from the Earth is 8.33 light minutes. What do you mean by this statement? Express the distance in metre.

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 (B)>Q 1
Explain the meaning of the term 'least count of an instrument' by taking a suitable example.
EASY
9th ICSE
IMPORTANT
Concise Physics I.C.S.E Part I For Class 9>Chapter 1 - Measurements and Experimentation>EXERCISE–1 (B)>Q 2
A boy makes a ruler with graduations in cm on it (i.e., 100 divisions in 1 m). To what accuracy this ruler can measure? How can this accuracy be increased?
EASY
9th ICSE
IMPORTANT
Concise Physics I.C.S.E Part I For Class 9>Chapter 1 - Measurements and Experimentation>EXERCISE–1 (B)>Q 3
A boy measures the length of a pencil and expresses it to be 2.6 cm. What is the accuracy of his measurement? Can he write it as 2.60 cm?
EASY
9th ICSE
IMPORTANT
Concise Physics I.C.S.E Part I For Class 9>Chapter 1 - Measurements and Experimentation>EXERCISE–1 (B)>Q 4
Define the least count of a vernier callipers. How do you determine it?
EASY
9th ICSE
IMPORTANT
Concise Physics I.C.S.E Part I For Class 9>Chapter 1 - Measurements and Experimentation>EXERCISE–1 (B)>Q 5
Define the term Vernier constant.
EASY
9th ICSE
IMPORTANT
Concise Physics I.C.S.E Part I For Class 9>Chapter 1 - Measurements and Experimentation>EXERCISE–1 (B)>Q 6
When is a vernier callipers said to be free from zero error?
EASY
9th ICSE
IMPORTANT
Concise Physics I.C.S.E Part I For Class 9>Chapter 1 - Measurements and Experimentation>EXERCISE–1 (B)>Q 8
A vernier callipers has a zero error +0.06 cm. Draw a neat labelled diagram to represent it. 
EASY
9th ICSE
IMPORTANT
Concise Physics I.C.S.E Part I For Class 9>Chapter 1 - Measurements and Experimentation>EXERCISE–1 (B)>Q 9
Draw a neat labelled diagram of the vernier callipers. Name its main parts and state their functions.