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प्रश्न
What is measurement? How is a measurement expressed?
What is measurement?
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उत्तर १
Measurement is a comparison of an unknown quantity with a known fixed quantity of the same kind.
The value obtained on measuring a quantity is called its magnitude. The magnitude of a quantity is expressed as numbers in its unit.
उत्तर २
Measurement is the process of finding an unknown physical quantity by using a standard quantity.
संबंधित प्रश्न
Fill in the blank
Mass = density × _______
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The correct relation is :
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1 yard = m
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5 mg = ………. kg
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Who is my companion?
| Group 'A' | Group 'B' | ||
| 1 | Velocity | a | litre |
| 2 | Area | b | kilogram |
| 3 | Volume | c | metre/second |
| 4 | Mass | d | kilogram/cubic metre |
| 5 | Density | e | square metre |
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What are the multiples and sub multiples of mass?
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Match List I with List II.
| List I | List II | ||
| A. | Torque | I. | Nms-1 |
| B. | Stress | II. | J kg-1 |
|
C. |
Latent Heat | III. | Nm |
|
D. |
Power | IV | Nm-2 |
Choose the correct answer from the options given below:
