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प्रश्न
Arrange the following substances in order of their increasing density:
(a) iron
(b) cork
(c) brass
(d) water
(e) mercury
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उत्तर
(b) cork, (d) water, (a) iron, (c) brass, (e) mercury
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संबंधित प्रश्न
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 |
Define one metre, the S.I. unit of length. State it's one multiple and one submultiple.
Name the device which you will use to measure the perimeter of your playground. Describe in steps how you will use it.
The diagram below shows a stick placed along a metre RULER. The length of the stick is measured keeping the eye at positions A, B, and C.
Express in second :
3 minute 15 second
State if the following statement is true or false:
Centi mean a hundredth part.
Answer the following in short.
What are derived physical quantities? Give any two examples of derived physical quantities.
Answer the following in detail.
What are the fundamental physical quantities? Name any three fundamental physical quantities.
Who is my companion?
| Group 'A' | Group 'B' | ||
| 1 | Velocity | a | litre |
| 2 | Area | b | kilogram |
| 3 | Volume | c | metre/second |
| 4 | Mass | d | kilogram/cubic metre |
| 5 | Density | e | square metre |
What is the physical quantity? give example.
