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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
Tick the most appropriate answer.
The SI unit of mass is
Tick the most appropriate answer.
Which of the following devices is used to measure mass?
Fill in the blank.
The amount of matter contained in a body is known as its ...........
1 metric ton is equal to ______.
Leaves and pieces of paper are heavier things.
Stop clock:: accurate time: _______:: accurate weight.
Mass is ______.
Assertion (A): Mass, Length, and Time are fundamental physical quantities.
Reason (R): They are independent of each other.
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)
Why was the kilogram redefined in 2019, and how is it measured now?
