Why is thermal pollution a relative term?

Q: why heat is called energy in transit?

A: Heat is a form of energy. It is defined as the process of transfer of energy from a higher…

Q: Why is evaporation a cooling process?

A: Evaporation is the process in which water changes its phase from liquid to gaseous.

Q: If you leave a metal spoon propped up in a pot Is this Conduction, convection, or radiation

A: Conduction is transfer of heat energy through one medium to another through contact.

Q: Choose the BEST answer to the following: Thermal convection mainly involves (a) radiant energy. (b)…

A: Step 1Thermal convection is the transfer of heat by motion of a fluid, such as air or water from one…

Q: How is heat capacity of a body related to specific heat capacity of its substance?

A: Heat capacity is defined as the heat required in raising the temperature of a substance by 1 degree…

Q: What is calorimeter?

A: Chemical reactions in general involve an exchange of heat between the system (reactants and…

Q: What is a thermal energy reservoir? Give some examples.

A: Thermal energy reservoirs are those reservoir of heat from where heat can be taken or given to them.…

Q: Why does the high specific heat of water have to do with convection currents in the air at the…

A: Water has a high specific heat capacity (of 4200 J/Kg°C) on the seashore and the land has a much…

Q: How do the thermal conductivity of gases and liquids vary with temperature?

A: Given:  thermal conductivity

Q: Adding the same amount of heat to two different objects does not necessarily produce the same…

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Q: Two different objects receive the same amount of heat. Give at leasttwo reasons why their…

A: To determine: The reasons why the temperature changes will not be same for the two different objects…

Q: Which of the following represents the heat transfer mechanism from Sun? convection radiation none of…

A: There are three process by which the heat transfers take place-convection, conduction and radiation.…

Q: In what forms is thermal insulation available?

A: Thermal insulation is the process of reducing heat from the surroundings. It can be done using many…

Q: ΔΤ Cooling constant from graph: (ТМ-ТА) 2 0.04 %3! 75-25

A:

Q: What generally happens to the temperature of rising air and sinking air?

A: If the Air sinking down compresses air at the surface, raising temperatures near the ground. The…

Q: Discuss the role of high specific heat capacity of water with reference to climate in coastal areas.

A: Specific heat capacity is the amount of heat energy takes to raise or lower the temperature of one…

Q: How is heat transfer related to temperature?

A: Heat and temperature are related to each other but these are different quantities. Temperature is a…

Q: is the type of thermal energy transfer that causes a camp fire to warm us. O a. convection O b.…

A: Emission of energy in waves or rays refers as radiation.

Q: What are applications of thermal expansions?

A: The tendency of matter to change its shape, area, and volume in response to a change in temperature…

Q: Name the method of heat transfer which doesnot depend on gravity.

A: In radiation, heat is transferred without any motion of the medium particles

Q: what is the purpose of determining the cooling constant?

A: According to the Newton's law of cooling, The cooling rate is proportional to the temperature…

Q: There is more than a single reason why pouring a cup of hot coffee into a saucer results in faster…

A: Cup is generally manufactured with insulating material. So, coffee remain hot in cup for long time…

Q: What happens to the temperature of a pan of water when evaporation exceeds the condensation?

A: Evaporation and condensation can take place simultaneously. Evaporation causes cooling. This is…

Q: How are heat and temperature different?

A:

Q: What is the relationship between heat and temperature?

A: Heat and temperature are one of the two components in the thermodynamics. Heating a substance…

Q: How does the science of heat transfer differ from the science of thermo dynamics?

A: The thermodynamics is the framework of science which deals with the system’s energy interaction…

Q: Why is sweating an efficient mechanism for cooling off on a hot day?

A: There will be evaporation of water and other liquids present on human’s skin into the air. The…

Q: What is the difference of sensible heat to latent heat?

A: Sensible heat is associate with change in temperature of an object or substance without change in…

Q: Are there any specific uses for temperature monitoring systems, as well as benefits to using them?

A: Uses of Temperature monitoring system : The temperature monitoring system is used in our daily usage…

Q: What type of heat transfer is seen in the picture? Sun Space Earth O a. convection O b. conduction O…

A: Heat can be transferred via three methods : 1. conduction 2. convection 3. radiation.

Q: What determines whether an object is a net absorber or net emitter of radiant energy at given time?

A: All substance above absolute temperature emit radiant energy. Whether the object emits more than it…

Q: What is role of loose electrons in heat conductors?

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Q: Does heat flow into cold areas or does cold flow into hot areas?

A: Yes heat flows from hot to cold area or we can say it moves with the help of particle or atom. for…