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प्रश्न
Answer the following in detail.
What are the fundamental physical quantities? Name any three fundamental physical quantities.
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उत्तर
Basic physical quantities that do not depend upon other quantities are called fundamental physical quantities. There are seven fundamental quantities – length, mass, temperature, time, electric current, luminous intensity and amount of substance.
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संबंधित प्रश्न
Fill in the blank
Mass = density × _______
Fill in the blank
1 g cm-3 = _______ kg m-3.
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
Convert the following quantity as indicated :
12 inch = ft
Convert the following quantity as indicated:
20 cm = m
Convert the following quantity as indicated:
2500 g = …....... kg
Name two devices used to measure the short time interval of an event.
Give a reason for the following.
Measurements are very important for life.
What are derived quantities?
