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तमिलनाडु बोर्ड ऑफ सेकेंडरी एज्युकेशनएसएसएलसी (अंग्रेजी माध्यम) कक्षा ६

A hand span is a reliable measure of length. - Science

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प्रश्न

A hand span is a reliable measure of length.

विकल्प

  • True

  • False

MCQ
सत्य या असत्य

उत्तर

A hand span is a reliable measure of length- False.

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 1: Measurements - Evaluation [पृष्ठ ११]

APPEARS IN

सामाचीर कलवी Science - Term 1 [English] Class 6 TN Board
अध्याय 1 Measurements
Evaluation | Q III. 4. | पृष्ठ ११

संबंधित प्रश्न

Answer the following question.

Star A is farther than star B. Which star will have a large parallax angle?


Find the answer for the following questions within the grid.

  1. 10-3 is one ______
  2. SI Unit of time is ______
  3. Cross view of reading a measurement leads to ______
  4. ______ is the one what a clock reads.
  5. ______ is the amount of substance present in an object.
  6. ______ can be taken to get the final reading of the recordings of different students for a single measurement.
  7. ______ is a fundamental quantity.
  8. ______ shows the distance covered by an automobile
  9. A tailor uses ______ to take measurements to stitch the cloth.
  10. Liquids are measured with this physical quantity.

Match the following.

1. Length kelvin
2. Mass metre
3. Time kilogram
4. Temperature second

Now guess the length and width of many other things. Measure and find the difference between your measure and your guess.

Size of Your guess in cm Your measure in cm
  Length Width Length Width
100 Rupee note        
10 Rupee note        
20 Rupee note        
5 Rupee note        
Post card        
Math-Magic book        

What is Dinesh’s height in metres? _____ m _____ cm.


Can you think of how to cut a postcard so that you can pass through it?


Chumki, Jhumri, and Imran need wire to make a fence.

  • How much wire in all will the three need?

So Anar also tried many different ways to make a boundary for 800 square meters of land.

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?


  • Gold wire for A = _________ metres

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

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


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

What is the unit of measurements of very small lengths?


The distance of a galaxy is of the order of 1025 m. Calculate the order of magnitude of time taken by light to reach us from the galaxy.


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