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प्रश्न
Is oscillation the same as vibration?
एक पंक्ति में उत्तर
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उत्तर
Yes, the vibration is the same as the oscillation.
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Measurements
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संबंधित प्रश्न
Name the physical quantities which are measured in the given units: u
What is backlash error? Why is it caused? How is it avoided?
Define mass.
Complete the rollowing:
1 u = ____ kg
Cross word puzzle.
Clues – Across
- SI unit of temperature;
- A derived quantity;
- Mass per unit volume;
- Maximum volume of liquid a container can hold
Clues – Down
- A derived quantity
- SI unit of volume
- A liquid denser than iron
- A unit of length used to measure very long distances
Match the following:
| 1. | Length | 1. | ampere (A) |
| 2. | time | 2. | Kelvin (K) |
| 3. | Mass | 3. | meter (M) |
| 4. | Temperature | 4. | second (S) |
| 5. | Electric current | 5. | kilogram (K) |
______ is the process of finding an unknown physical quantity by using a standard quantity.
Weight has both magnitude and direction.
Define measurement.
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.
