General Knowledge :: Physics
- Why does ice covered in sawdust not melt quickly ?
- Ice is packed in saw dust because
- In general, which is the cause of a sea breeze?
- Outside of cooking utensils are generally left black from below because
- Heat transfer by radiation mainly depends upon
- A white and smooth surface is
- The direction of heat flow between two objects depends on
- Woollen cloth protects the body from cold because
- Hot water is poured simultaneously in four metallic tumblers painted outside with different paints. After some time the water will be found to have cooled most in the tumbler painted.