1.Give two applications each of conductor, convection and radiation.
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Answer:
1. Applications of good conductors in everyday life : Metals are good conductors of heat, therefore cooking utensils, kettles, irons, boilers, are always made up of iron, copper, Aluminum, or their alloys.
2.Puts warm air out at the top and draws in cooler air at the bottom. Steaming cup of hot tea - The steam is showing heat being transfered into the air. Ice melting - Heat moves to the ice from the air.
3.Today, to benefit humankind, radiation is used in medicine, academics, and industry, as well as for generating electricity. In addition, radiation has useful applications in such areas as agriculture, archaeology (carbon dating), space exploration, law enforcement, geology (including mining), and many others.
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Answer:
Metals are good conductors of heat, therefore cooking utensils, kettles, irons, boilers, are always made up of iron, copper, Aluminum, or their alloys.
Steaming cup of hot tea - The steam is showing heat being transfered into the air. Ice melting - Heat moves to the ice from the air. This causes the melting from a solid to liquid. Hot air balloon - A heater inside the balloon heats the air and so the air moves upward.
X-Rays are one of the most common uses of radiation in hospitals and pharmacies, providing valuable information to doctors. 2. Radiations are also used for food irradiation. It is the process of using radioactive sources to preserve and sterilize food.