Length
Length: Overview
This Topic covers sub-topics such as Light Year, Measurement of Length, Metric System, Least Count, One Astronomical Unit, Measurement of Thickness, SI Unit for Length, One Parsec, A Metre Scale and, Devices to Measure Length
Important Questions on Length


When converting Centimetres to meters you will move your decimal right?

What is the difference between centimeters and meters?





Which is the most common device used for measurement of diameter of a sphere and a cylinder?

We have to avoid taking readings from the _____ mark of the ruler if it is damaged.
Choose the most appropriate option from the choices given below:
(zero / middle / ten)

During the measurement of length, the ruler should be placed perpendicular to the object to be measured.

List the precautions that should be taken during the measurement of length.





Name a standard unit to measure length. (Cubit/Metre).

Name the instruments used to measure length, temperature and weight.

The distance between Radha's home and her school is 3250 m. Express this distance in kilometres.
The distance between Radha's home and her school is _____ km.

What is the length of the pencil as measured by the ruler below?
