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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
36 km h-1 = _______ ms-1.
Select the correct alternative
The density of aluminium is 2.7 g cm-3 and of brass is 8.4 g cm-3. For the same mass, the volume of:
Arrange the following substances in order of their increasing density:
(a) iron
(b) cork
(c) brass
(d) water
(e) mercury
How does the density of water changes when it is heated from 4°C to 10°C ?
Select the correct alternative:
The symbol of degree celsius is
Write the temperature of boiling water.
State if the following statement is true or false:
The symbol used for a unit is always written in capital letters.
Answer the following in detail.
Which is the most suitable unit for measuring the volume of the swimming pool?
Explain giving examples.
Vector quantity
Write SI units for the fundamental quantity.
