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प्रश्न
Answer the following in short.
Which institution in the world maintains the guidelines for using the SI units correctly?
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उत्तर
General Conference of Weights and Measures.
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संबंधित प्रश्न
Select the correct alternative
The correct relation is :
Select the correct alternative
A boy travels a distance 150 m in 1 minute. His speed is
A car travels a distance of 15 km in 20 minute. Find the speed of the car in m s-1.
Convert the following quantity as indicated:
1 yard = m
State if the following statement is true or false. Correct the statement if it is false.
The error in reading a scale due to the wrong positioning of the eye is called human error.
State if the following statement is true or false. Correct the statement if it is false.
Mercury does not stick to the surface of glass.
Answer the following in detail.
Explain in detail why railways and airlines use the 24-hour clock format.
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 |
Explain giving examples.
Scalar quantity
The magnitude of a physical quantity consists of ______.
