General Knowledge :: Physics
- A small gap is left at the joints of rails in a railway track to
- Pipelines in cold countries often burst in winter, because
- In severe winter, in cold countries water pipes burst because
- Railway tracks are banked on curves so that
- The density of the liquid when heated
- Thermocouple consists of
- Which of the following are methods of heat transfer?
- Heat energy is transferred by conduction whenever molecules
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A.
Necessary centrifugal force may be obtained from the horizontal component of the weight of the train |
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B.
No frictional force may be produced between the tracks and the wheels of the train |
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C.
Necessary centripetal force may be obtained from the horizontal component of the weight of the train |
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D.
The train may not fall down inwards |