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प्रश्न
What are the fundamental units in SI system? Name them along with their symbols.
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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 |
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संबंधित प्रश्न
Complete the following : 1 mg =………kg
Fill in the blank:
The unit is which we measure the quantity is called ________.
Complete the rollowing:
1 fermi __________ m
Complete the rollowing:
1 parsec= _____ ly
Define measurement.
Choose the correct one.
What are the features that we must give importance in measuring?
Define measurement.
Questions based on Higher Order Thinking skills:
|
There are three spheres A, B, and 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.
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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.
