Advertisements
Advertisements
प्रश्न
What are the fundamental units in SI system? Name them along with their symbols.
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
Complete the following: 1 m =……….. µ
Name the physical quantities which are measured in the given units:
nm
The mass of an oxygen atom is 16.00 u. Find its mass in kg.
Fill in the blank:
The unit is which we measure the quantity is called ________.
State or define the following term:
Minute
Define a fundamental quantity.
Show how will you use the physical balance to measure the mass of an object.
______ is the process of finding an unknown physical quantity by using a standard quantity.
Questions based on Higher Order Thinking Skills:
There are three spheres A, B, C as shown below.
Sphere A and B are made of 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 A. 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 volumes of spheres A and B.
- Find the ratio of masses of spheres A and C.
