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प्रश्न
Write the density of water at 4°C.
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उत्तर
The density of water at 4°C is 1.0 g cm-3, or 1,000 kg m-3
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संबंधित प्रश्न
Relative density of water is 1.0.
Density of water is .......Kg m-3.
Match the following :
| Column A | Column B | ||
| (a) | kg `m^-3` | (i) | relative density |
| (b) | no unit | (ii) | sinks in alcohol |
| (c) | relative density | (iii) | floats on water |
| (d) | iron | (iv) | density |
| (e) | wood | (v) | density bottle |
The correct relation is
It is easier to swim in sea water than in river water. Explain the reason.
Explain why it is easier to lift a stone under water than in air.
What is a submarine? How can it be made to dive in water and come to the surface of water?
The density of alcohol is 600 kg m-3. Express it in g Cm-3.
Calculate the density of solid from the following data :
(a) Mass of solid = 72 g
(b) Initial volume of water in measuring cylinder = 24 ml
(c) Final volume of water when solid is completely immersed in water = 42 ml
From the following observations, calculate the density and relative density of a brine solution.
Mass of empty density bottle = 22 g
Mass of bottle + water = 50 g
Mass of bottle + brine solution = 54 g
