Question

F.
Short answer type questions.
1. What is measurement?
2.
Define length. Name three instruments used to measure it.
3.
Name multiples and submultiples of metre and their relation with metre.
4.
What is parallax error? How can it be avoided?
5.
What do you understand by area? Give its standard unit in SI system.
6.
Name the instruments used to measure mass.
G. Long answer type questions.
1. What are the precautions that are needed to be taken while measuring the length
of a wooden block using a metre scale?
2.
Write a short note on beam balance.
3. Explain how the department of weights and measures, Government of India, is
helping people so that they would not get cheated by the shopkeepers.​

Answer 1

Answer:

1.A size amount ,etc that is found by measuring

2.The size of something from one end to the other :how long something is

3.

Answer 2

Answer:

1 ans- the size length or amount of something as established by measuring

2 ans- the standard instruments used now a days to measure the length of ruler ,metal, scale ,measuring tape, winner capillary ,and screw gauge.

3 ans- when the distance in smaller we use DM( decimeter) ,cm( centimeter) and mm ( millimeter). these are called the submultiples of metre.

Explanation:

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