Advertisements
Advertisements
प्रश्न
Name some of the derived quantities.
Advertisements
उत्तर
Area, volume, density.
APPEARS IN
संबंधित प्रश्न
Select the correct alternative
A block of wood of density 0.8 g cm-3 has a volume of 60 cm3. The mass of block will be :
Arrange the following substances in order of their increasing density:
(a) iron
(b) cork
(c) brass
(d) water
(e) mercury
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 car travels a distance of 15 km in 20 minute. Find the speed of the car in m s-1.
Answer the following in short.
Which institution in the world maintains the guidelines for using the SI units correctly?
State if the following statement is true or false. Correct the statement if it is false.
The region enclosed within the boundaries of a two-dimensional figure is called its area.
Answer the following in a word or two or in a sentence.
Write the formula for finding the average of a given set of observations.
Solve the following numerical problem.
The rainfall in a city on each day of a week is recorded below. Find the average rainfall for the week.
| day | Mon | Tue | Wed | Thurs | Fri | Sat | Sun |
|
Rainfall |
1.2 | 10.3 | 5.5 | 0.0 | 13.5 | 7.0 | 1.0 |
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 |
A physical quantity A is dependent on other four physical quantities p, q, r and s as given below A = `sqrt("pq"/("r"^2"s"^3))`. The percentage error of measurement in p, q, r and s are 1%, 3%, 0.5% and 0.33% respectively, then the maximum percentage error in A is ______ %.
