Advertisements
Advertisements
प्रश्न
What are derived quantities?
Advertisements
उत्तर
The physical quantities which can be obtained by multiplying, dividing or by mathematically combining the fundamental quantities are known as derived quantities.
(or)
The physical quantities which are expressed is terms of fundamental quantities are called derived quantities.
APPEARS IN
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:
A car travels with a speed 12 m s”1, while a scooter travels with a speed 36 km h-1. Which of the two travels faster ?
A block of iron has dimensions 2 m × 0.5 m × 0.25 m. The density of iron is 7.8 g cm−3. Find the mass of block.
Convert the following quantity as indicated:
0.2 km = m
Convert the following quantity as indicated:
150 kg = quintal
State if the following statement is true or false. Correct the statement if it is false.
The average of a group of observations is calculated by adding all the observations and dividing the sum by the number of observations.
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 |
Name some of the derived quantities.
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 _____.
