Measurements of Physical Quantities
Measurements of Physical Quantities: Overview
This topic covers concepts such as Physical Quantity, Physical Quantity as Ratios, Physical Quantity as Scalars, Physical Quantity as Vectors, Physical Quantity as Tensors, Fundamental and Derived Quantities, Plane Angle, Solid Angle, etc.
Important Questions on Measurements of Physical Quantities
Name the physical quantity whose S.I. unit is . Is it a scalar or a vector quantity?
The unit of the Stefan - Boltzmann’s constant is
“Parsec” is the unit of :
The ‘rad’ is the correct unit used to report the measurement of
The surface tension of water in C.G.S. units is . It's S.I. unit is
The mean of two samples of the sizes and were found to be respectively. Their standard deviations were , respectively. Find the variance of combined sample of size .
If the standard deviation of a data is . Find the variance
What are different ways to measure length?
What are the three different methods to measure length?
What are lengths measured in?
What is an example of a sonar?
What is sonar full form?
What is meant by radar and SONAR?
How do you find the range of variation?
Range of an instrument is _____
How are systematic errors removed usually for an instrument.
What is the reason for the occurrence of systematic errors in an instrument
Reasons for Uncertainty in Observations
What is the range of lengths?
What is SONAR method?
