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प्रश्न
Match the following column:
| Column A | Column B |
| (a) Length of a housing plot | (1) Clock |
| (b) Breadth of a book | (2) Beam balance |
| (c) Mass of an apple | (3) Thermometer |
| (d) Period of time for study | (4) Measuring tape |
| (e) Temperature of a body | (5) Graph paper |
| (f) Surface area of a leaf | (6) Metre ruler |
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उत्तर
| Column A | Column B |
| (a) Length of a housing plot | (4) Measuring tape |
| (b) Breadth of a book | (6) Metre ruler |
| (c) Mass of an apple | (2) Beam balance |
| (d) Period of time for study | (1) Clock |
| (e) Temperature of a body | (3) Thermometer |
| (f) Surface area of a leaf | (5) Graph paper |
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संबंधित प्रश्न
Define one kilogram, the S.I. unit of mass.
Name and define the S.I. unit of time. How is it related to (i) minute (ii) hour, (iii) day, and (iv) year?
Tick the most appropriate answer.
Which of the following devices is used to measure mass?
Name the device commonly used to measure weight of a body.
Complete the analogy.
Milk : Volume :: Vegetables :___?
Potatoes:: Kilogram; Water:: ______.
What is the standard unit of mass?
Write a short note on the following:
Digital balance
Write a short note on the following:
Spring balance:
If Planck’s constant (h) and speed of light in vacuum (c) are taken as two fundamental quantities, which one of the following can, in addition, be taken to express length, mass and time in terms of the three chosen fundamental quantities?
- Mass of electron (me)
- Universal gravitational constant (G)
- Charge of electron (e)
- Mass of proton (mp)
