Advertisements
Advertisements
Questions
What is measurement? How is a measurement expressed?
What is measurement?
Solution 1
Measurement is a comparison of an unknown quantity with a known fixed quantity of the same kind.
The value obtained on measuring a quantity is called its magnitude. The magnitude of a quantity is expressed as numbers in its unit.
Solution 2
Measurement is the process of finding an unknown physical quantity by using a standard quantity.
RELATED QUESTIONS
Fill in the blank
Mass = density × _______
Select the correct alternative
One litre is equal to :
Select the correct alternative
A boy travels a distance 150 m in 1 minute. His speed is
A car travels a distance of 15 km in 20 minute. Find the speed of the car in km h-1.
Express 36 km h-1 in m s-1
Express 15 m s-1 in km h-1.
Define one metre, the S.I. unit of length. State it's one multiple and one submultiple.
Convert the following quantity as indicated:
1 ft = cm
Convert the following quantity as indicated:
0.2 cm = mm
Convert the following quantity as indicated:
150 kg = quintal
State if the following statement is true or false:
Second is considered as the fundamental unit of time in both CGS and MKS systems.
State if the following statement is true or false:
Centi mean a hundredth part.
Answer the following in short.
What are derived physical quantities? Give any two examples of derived physical quantities.
State if the following statement is true or false. Correct the statement if it is false.
The region enclosed within the boundaries of a two-dimensional figure is called its area.
Answer the following in short.
Describe any two means by which the actual capacity’ of a measuring container can be made less than the correct value by a dishonest trader.
Answer the following in detail.
What do you understand by the term capacity?
What is the fundamental quantity? Give examples.
Define mass Mention its unit.
Give some examples for scalar quantity.
Assertion (A): Density is a derived physical quantity
Reason (R): Density cannot be derived from the fundamental physical quantities.
