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प्रश्न
Exercise
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उत्तर
Two units of length smaller than a metre are
(a). Decimeter = 0.1 metre
(b). Centimeter = 0.01 metre
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संबंधित प्रश्न
500 gm = ______ kilogram.
Fill in the following chart.
| Property | Definition | Basic Unit | Instrument used for measuring |
| Length | |||
| Mass | |||
| Volume | |||
| Time |
Guess whose tail is the longest. Now measure the tails. How good is your guess?
How many stamps are needed to cover the rectangle?
You can play this game on the ground. Make two squares of one square meter each. Divide your class into two teams. Ready to play!
- Which team could make more children stand in their square? How many?
You can play this game on the ground. Make two squares of one square meter each. Divide your class into two teams. Ready to play!
- Which team could make more children sit in their square? How many?
Match the following:
| Prefix | Symbol | ||
| a. | Centi | i. | k |
| b. | Nano | ii. | c |
| c. | Mili | iii. | n |
| d. | Kilo | iv. | m |
What is the unit of length?
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.
Why is Earth's orbit used instead of its diameter to measure distances to stars using the parallax method?
