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तमिलनाडु बोर्ड ऑफ सेकेंडरी एज्युकेशनएसएसएलसी (अंग्रेजी माध्यम) कक्षा ६

While measuring the length of a sharpened pencil, reading of the scale at one end is 2.0 cm and at the other end is 12.1 cm. What is the length of the pencil?

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प्रश्न

While measuring the length of a sharpened pencil, the reading of the scale at one end is 2.0 cm and at the other end is 12.1 cm. What is the length of the pencil?

योग
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उत्तर

The difference between the two readings is the length of the pencil.

= 12.1 cm – 2.0 cm
= 10.1 cm or 10 cm and 1 mm.

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अध्याय 1: Measurements - Evaluation [पृष्ठ १२]

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सामाचीर कलवी Science - Term 1 [English] Class 6 TN Board
अध्याय 1 Measurements
Evaluation | Q X. 2. | पृष्ठ १२

संबंधित प्रश्न

Just as precise measurements are necessary in science, it is equally important to be able to make rough estimates of quantities using rudimentary ideas and common observations. Think of ways by which you can estimate the following (where an estimate is difficult to obtain, try to get an upper bound on the quantity):-

the number of air molecules in your classroom.


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He made rectangles A, B, and C of different sizes. Find out the length of the boundary of each. How much gold wire will he get for these rectangles?

  • A 
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  • B 
    Gold wire for B = _________ metres
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    Gold wire for C = __________ metres

But then Anar made an even longer rectangle... See how long!

  • D 
    So he will get __________ metres of gold wire!!

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  • A longer boundary around the lake will help more birds to lay their eggs. So which lake should be kept for birds? Which lake should be used for boats?

Match the following:

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d. Kilo iv. m

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