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प्रश्न
Answer the following in short.
Mention any two advantages of the metric system over traditional units.
उत्तर
1. The metric units are accurate whereas the traditional units were not uniform.
2. The metric system is accepted globally whereas the traditional units had different values at different places.
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संबंधित प्रश्न
Fill in the blank
36 km h-1 = _______ ms-1.
Match the following:
| Column A | Column B |
| 1.Volume of a liquid | 1. kg `m^-3` |
| 2. Area of a leaf | 2. `m^3` |
| 3. S.I. unit of volume | 3. graph paper |
| 4. S.I. unit of density | 4. m `s^-1` |
| 5. S.I.unit of speed | 5. measuring cylinder |
A piece of paper of dimensions 1.5 m × 20 cm has area ______.
Express 36 km h-1 in m s-1
Select the correct alternative:
A metre ruler is graduated in:
State if the following statement is true or false. Correct the statement if it is false.
The region enclosed within the boundaries of a two-dimensional figure is called its area.
Answer the following in detail.
What do you understand by the term volume?
Explain giving examples.
Vector quantity
Assertion (A): Density is a derived physical quantity
Reason (R): Density cannot be derived from the fundamental physical quantities.
A physical quantity A is dependent on other four physical quantities p, q, r and s as given below A = `sqrt("pq"/("r"^2"s"^3))`. The percentage error of measurement in p, q, r and s are 1%, 3%, 0.5% and 0.33% respectively, then the maximum percentage error in A is ______ %.
