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प्रश्न
What is meant by measurement?
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उत्तर १
Measurement is the process of comparing a given physical quantity with a known standard quantity of the same nature.
उत्तर २
Measurement is an act or the result of comparison of a quantity whose magnitude is unknown with a predefined standard.
संबंधित प्रश्न
State the formula for calculating percentage error
Express light year in terms of meter.
Mention three precautions that you would observe to measure the mass of a body using a beam balance.
Choose the correct one.
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) |
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. 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 volumes of spheres A and B.
- Find the ratio of masses of spheres A and C.
Define measurement.
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.
|
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.
