Advertisements
Advertisements
प्रश्न
What are the fundamental units in SI system? Name them along with their symbols.
Advertisements
उत्तर
Fundamental units in SI system.
| Quantity | Unit | Symbol |
| Length | Metre | M |
| Mass | kilogram | kg |
| Time | Second | S |
| Temperature | Kelvin | K |
| Lumibous Intensity | Candela | Cd |
| Electric Current | Ampere | A |
| Amount of substance | Mole | Mol |
| Angle | Radian | Rad |
| Solid Angle | Steradian | sr |
APPEARS IN
संबंधित प्रश्न
Name the physical quantities which are measured in the given units: u
‘The distance of a star from the earth is 8.33 light minutes.’ What do you mean by this statement? Express the distance in metre.
Express the order of magnitude of the following quantity:
0.000,000,000,00027 m
Complete the rollowing:
1 u = ____ kg
Put the symbol in the box given below.
34 kg `square` 22 kg
Hold a sheet paper in one hand and a book in one hand. Which hand feels heavy? Why?
Weight has both magnitude and direction.
A piece of ribbon folded five times is placed along a 30 cm long measuring scale as shown in the following figure.
The length of the ribbon is between
Questions based on higher-order thinking skills:
|
There are three spheres A, B, and C as shown below. Spheres A and B are made of the same material. Sphere C is made of a different material. Spheres A and C have equal radii. The radius of sphere B is half that of sphere A. The density of A is double that of C.
|
Now answer the following questions:
- Find the ratio of masses of spheres A and B.
- Find the ratio of the volumes of spheres A and B.
- Find the ratio of masses of spheres A and C.
