Length

IMPORTANT

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

EASY
IMPORTANT

How do you measure a meter scale?

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Which is bigger millimetres or centimetres ?

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

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What is the difference between centimeters and meters?

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1 cm equals how many meters?

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What is Metre Scale?

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How do you calculate Least count?

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What do you mean by one astronomical unit?

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

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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)

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

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

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Choose the odd one. 

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Express 5 parsec in light years.

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Write the symbol for the unit centimetre.

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Write the symbol for the unit metre. (m/cm

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

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

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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.

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IMPORTANT

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