General Knowledge :: Physics
- Hot water is poured simultaneously in four metallic tumblers painted outside with different points. After some time the water will be found to have cooled most in the tumbler painted.
- Which of the following criterion is used for any metal to be used as a cooking material ?
- Heat from the sun reaches earth by the process of
- What type of heat transfer is boiling water?
- Ventilators are provided near the ceiling of the room because
- Wollen clothes keep the body warm because
- Plants are dried up in winter due to frost because
- A cup of hot coffee is placed on a metal table in a room. By which of the following methods does it lose heat?
- In general, which is the cause of a land breeze?
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