Many American homes have an outdoor pool for the children. On a hot summer day, why do the children find relief in the pool?

Q: A bimetallic strip is usable as a thermometer because of

A: A bimetallic strip converts temperature into chemical displacement. Hence, we use a bimetallic strip…

Q: A 12-kg iron ball is dropped onto a pavement from a height of 130 m . Suppose that half of the heat…

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Q: Consider a cylinder with a length of 15 cm and a diameter of 10 cm. The cylinder has a surface…

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Q: A marble tile would feel cold as compared to a wooden tile on a winter morning. Because the marble…

A: By observing the given options we will answer the given question.

Q: Why do farmers fill their fields with water on a cold winter night?

A: Water flows through the fine capillary veins of the plants. If the temperature on a cold winter…

Q: Why the sand is much hotter compared to water in the beach if they are exposed with the same source…

A: Explanation: The heat energy required is directly proportional to the specific heat capacity, the…

Q: A 1.5-m-long glass tube that is closed at one end is weighted and lowered to the bottom of a…

A: Ideal gas equation is,

Q: Why is whitewash sometimes applied to the glass of florists’ greenhouses in the summer?

A:

Q: Air at 20°C with a convection heat transfer coefficient of 20 W/m2·K blows over a pond. The surface…

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Q: Why does a hot dog pant?

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Q: What is the temperature of the bottom surface of the kettle? Thermal conductivity of stainless steel…

A: Given information:The diameter of the kettle bottom (d) = 26 cm = 0.26 mThe radius of the kettle is…

Q: Why firewalkers dont burn their wetted feet when they walk barefoot on red-hot coals

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Q: A metal radiator is made from 260 kg of iron. The specific heat of iron is 0.449 J/gºC. How much…

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Q: Why do we feel hot after a long period of running or doing exercise?

A: When we do running or any exercise, it will lead to increase in the muscular activity.

Q: If no heat is lost to the environment, what is the specific heat of the cup material? [Hint:…

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Q: 1 K calorie is approximately equal to: a. 41.86 J b. 418.6 J c. 4.186 J

A: Required : 1 K cal in joules.

Q: Some environmentally conscious people build their homes in the shape of a dome. Why is less heat…

A: Some people build their homes in the shape of a dome.

Q: Your pet cricket chirps 112 times in one minute (60.0 s). Whatis the temperature in degrees…

A: Given data: The time is: t = 60 sec The total number of chirp is: N The temperature in Fahrenheit…

Q: The amount of energy transferred between two objects is considered. O a. Joules O b. Thermal waste O…

A: Lets define few the terms first: Joule: is the unit of heat . So it can't be answer.

Q: The type of heat transfer that occurs in liquids and gases, such as warm air rising and cold air…

A: Convection:  It is a mode of heat transfer which occurs by the motion of a fluid due to density…

Q: Why does a two-story house that is roughly a cube suffer less heat loss than a rambling one-story…

A: For a given volume, a one-story house has less surface area than a two-story house. As we know rate…

Q: Cite two reasons why firewalkers don't burn their wetted feet when walking barefoot on red hot…

A: The conductivity of red hot coal is very low. They conduct heat at a very slow rate. When the…

Q: Specific heat capacity of ice is 0.5 cal/g °C. What will be this value in J/kg °C O a. 8761298 O b.…

A: Dear student 1 calorie is equal to 4.184 Joules. Joule is unit of heat in SI sysyem. And these are…

Q: A 0.7-kg glass bowl (celass= 0.2 kcal/kg°C) and a 0.7 kg iron pan (Ciron= 0.11 kcal/kg°C) have a…

A: Given data *The mass of the glass bowl is mg = 0.7 kg *The specific heat capacity of glass is cg =…

Q: Why do frying pans have a thick base?

A: A thick base pan has higher mass hence higher heat capacity. A substance with large heat capacity…

Q: A spring is made of steel and not of copper. Why?

A: A good spring should have high restoring capacity and elasticity properties and both these…

Q: A piece of square copper sheet with a hole in the middle was heated. Due to thermal expansion, will…

A: When copper plate is heated then in that case due to thermal expansion of metal the hole in copper…

Q: 19. Saniya lives in a cold climate. In the winter, her attic gets extremely cold. She has decided to…

A: We know that the winter is the coldest season of the year in polar.

Q: A hot object in a cool room will lose heat by which of the following modes of heat transfer?…

A: Conduction is mode of tranfer of heat without any actual displacement of medium particle Convention…

Q: 0.863). It has a temperature of 67.0 °C. The new owner of the house paints the radiator a lighter…

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Q: Why does a piece of watermelon stay cool for a longer time than sandwiches do when both are removed…

A: Given:  watermelon and sandwiches

Q: Which of the following is not a method of transfer of heat? Conduction Radiation Convection…

A: Conduction, Convection & Radiation. There are three main ways that heat is transferred between…

Q: Heat flows from one body to another when they have O a. different heat contents. O b. different…

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Q: A glass pane of 0.3 cm thickness covers a window measuring 5 x 10 cm2. The amount of heat that flows…

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Q: What is the best material to use to insulate a home?

A: Bulk insulation includes materials such as glass wool, wool, cellulose fiber, polyester and…

Q: Which of the following Fins/Heat exchanger will transfer more heat and why? Justify your answer.…

A: Circular/pin fins.   the efficiency of circular fins was more than that of square fins as the area…

Q: Why is heating more efficient in large apartment buildings than in single-family dwellings?

A: The surface to volume ratio is inversely proportional to the dimension of the building. Hence, a…

Q: Which material will make the best calorimeter? Foam cup O Glass cup O Aluminum can Plastic cup

A: Foam cup is a bad conductor of heat.

Q: What is the reason for the widespread use of fins on surfaces?

A: The phenomenon through which heat transfer from one body to another due to temperature difference is…

Q: Heat enters the system when substance undergoes a phase change of   A. condensation   B.…

A: Condensation- In this gaseous form of water or water vapors get converted into liquid form of water.…

Q: Three cubes are made from the same material. As the drawing indicates, they have different sizes and…

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Q: How does a fan help us feel cooler in the summer?

A: Given fan help us feel cooler in the summer we have to find the cause of the above mentioned…

Ideal Gas Law

Ideal gas law states that the product of pressure and volume of a gas directly varies with the product of the number of moles, the universal gas constant, and the temperature of the gas.