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प्रश्न
Tick the most appropriate answer.
Which of the following is a fundamental physical quantity?
पर्याय
Speed
Area
Volume
Time
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उत्तर
Time
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संबंधित प्रश्न
Fill in the blank
1 g cm-3 = _______ kg m-3.
How does the density of water changes when it is heated from 0°C to 4°C,
State two characteristics of a unit.
Convert the following quantity as indicated:
2500 g = …....... kg
Name two devices used to measure the short time interval of an event.
Express in second:
5 hour 2 minute 5 second.
Answer the following in detail.
What are the fundamental physical quantities? Name any three fundamental physical quantities.
Solve the following numerical problem.
A piece of wire is wound around a pencil 60 times. If the total width of all the turns is 4 cm, find the diameter of the wire.
What do you mean by ‘unit’?
The density of a material in SI unit is 128 kg m-3. In certain units in which the unit of length is 25 cm and the unit of mass is 50 g, the numerical value of density of the material is _____.
