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प्रश्न
Icebergs floating on sea water are dangerous for ships. Explain the reason.
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उत्तर
Icebergs are huge masses of ice floating in the sea [density of ice being 0.917 g Cm-3] with about 9/10 portion of ice below seawater and only 1/10 portion of it above. Since such a large portion of the iceberg is submerged underwater it becomes difficult for the sailor to estimate the size of the iceberg increasing the danger of the ship colliding in them.
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संबंधित प्रश्न
1 kg is the mass of ............ml of water at 4°C.
1 g cm-3 = ......... Kg m-3.
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| 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 |
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