EASY
9th West Bengal Board
IMPORTANT
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Give an example of a dimensionless quantity which has a unit.

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Important Questions on Measurement

EASY
9th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 9>Chapter 1 - Measurement>EXERCISE>Q 3.1.
What are the fundamental units in SI system?
EASY
9th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 9>Chapter 1 - Measurement>EXERCISE>Q 3.2.
What are the units of area and volume in CGS and SI system.
EASY
9th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 9>Chapter 1 - Measurement>EXERCISE>Q 3.3.
What is a unit less quantity? Give an example.
EASY
9th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 9>Chapter 1 - Measurement>EXERCISE>Q 3.4.
What are the dimensional formulae of density and momentum?
EASY
9th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 9>Chapter 1 - Measurement>EXERCISE>Q 3.5.
What is the definition of standard metre in terms of wavelength of light?
EASY
9th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 9>Chapter 1 - Measurement>EXERCISE>Q 3.6.
What is light year? How it is related with kilometre?
EASY
9th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 9>Chapter 1 - Measurement>EXERCISE>Q 3.7.
What are the requisites of a common balance to be sensitive?
EASY
9th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 9>Chapter 1 - Measurement>EXERCISE>Q 3.8.
What are the limitations of using an ordinary metre scale?