Same amount of heat is supplied to two liquids A and B. The liquid A shows a greater rise in temperature. What can you say about the heat capacity of A as compared to that of B?

Q: What condition is necessary for flow of heat?

A: The factor or condition that is necessary for heat transfer to occur is that two object 'must have…

Q: What is the role of Phase transitions in heat flow?

A: In the heat flow, element takes heat and increase its temperature. Or element release the heat and…

Q: Which has more heat: 1g of ice at 0 degree C or 1g of water at 0 degree C? Give reason.

A: Latent heat is the measure of the heat energy per mass released or absorbed during a phase change.

Q: A bottle of helium gas and a bottle of argon gas contain equal numbers of atoms at the same…

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Q: Both beakers A and B contain a mixture of ice and water at thermal equilibrium. Which of the breaker…

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Q: A beaker full of hot water is placed on a wooden table. Does it lose heat? If yes in what ways?

A: Yes, the hot water in the beaker will lose heat.

Q: When is a system considered to be in thermal equilibrium? When does heat transfer from one body to…

A: Required : When is a system considered to be in thermal equilibrium.

Q: Why is wet sand at a beach cooler to walk on than dry sand?

A: Walk on the wet sand

Q: How much heat energy is added to 2.00 kg of ice at -5.0 degree Celsius is changed to water at 80.0…

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Q: What is wrong with the following statement: “Given any two bodies, the one with the higher…

A: Heat is amount of energy that flows from a higher temperature body to the low temperature body. It…

Q: Ahmed places two solid objects in contact with each other. Which property determines the direction…

A: Given : Two solid objects are placed in contact with each other

Q: If two objects are in thermal equilibrium, they will have (a) Same temperature (b) same energy (c)…

A: Two objects in thermal equilibrium.

Q: Why does most of the energy expended by a swimmer ultimately converts into heat energy when she…

A: Why does most of the energy expended by a swimmer ultimately converts into heat energy when she…

Q: The drawing shows a solid cylindrical rod made from a center cylinder of lead and an outer…

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Q: Calculate the initial temperature of 0.048 kg copper metal if 203 J of heat has been released to…

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Q: You apply a flame to 2 L of water for a certain time and its temperature rises by 1°C. If you apply…

A: We know,  Q = m*c*Δt Mass can further be represented in terms of volume as - Density = mass/volume.…

Q: Heat transfer by radiation mainly depends upon:  A) Kind and extent of its surface B) Its…

A: Heat transfer is a phenomenon in which we send heat from a hot object to a object than is relatively…

Q: Two rods each having a length of 20 cm and a radius of 5 cm are coonected as shown. How much heat is…

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Q: When thermal energy is removed from a system, what happens to temperature and the average kinetic…

A: Temperature is a measure of average kinetic energy of the molecules of the system. As the…

Q: Is there more than one method of heat transfer? If so, then how are they similar and different than…

A: Heat is the transfer of energy from one medium to another. The heat can be transferred by:…

Q: Consider two cylindrical rods that are identical in size and shape, but are made of different…

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Q: Why is thermal equilibrium always established when two objects transfer heat?

A: Heat is a form of energy that transfers from higher temperature to the lower temperature. At higher…

Q: An astronaut has two objects that are identical in all respects, except that one is painted black…

A: Which of the two objects painted black and silver cools down at a faster rate.

Q: Calculate and plot the increase of cumulative kinematic heat (cooling) during the night of 16 hours,…

A: The given values are,

Q: What is the necessary condition for thermal equilibrium?

A: The transfer of heat takes place from the higher temperature object to the lower temperature object.

Q: In Convective Heat Transfer the greater the motion of the the greater the heat transfer, in general,…

A: Convective heat transfer takes place in fluids due to density difference .

Q: Two walls are made of the same type of concrete and have the same temperature difference between…

A: No. of walls = 2  type of concrete = same  temp. differnce is same in both inside and outside of…

Q: Consider two equal-size rooms connected by an open door. One room is maintained at a higher…

A: Since rooms are identical they have same volume and since the doors are open they have same…

Q: of water in an insulated container as shown. Then, the object falls through a distance of 6.00 m…

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Q: Someone claims that the air space in a double-pane window enhances the heat transfer from a house…

A: We would disagree with this recommendation since the air space introduces some thermal resistance to…

Q: Two bodies at different temperatures T1 and T2 if brought in thermal contact do not necessarily…

A: When two bodies having different temperatures say, T1 and T2 are brought in thermal contact with…

Q: Suppose you are an astronaut in the vacuum of space, hard at work in your sealed spacesuit. The only…

A: In this case, the astronaut is in the vacuum space, wearing a sealed spacesuit.   There is no solid…

Q: How could you decrease the thermal energy of a can of soup you just took out of your pantry?

A: The temperature of a system is the measure of its thermal energy. If the temperature of the system…

Q: What has the greatest increase in Temperature given these materials of the same mass receive the…

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Q: In the Newton's Law of Cooling, at small differences of temperatures between the body and the…

A: Step1: Newton's Law of Cooling Newton’s law of cooling states that the rate of heat loss from a body…

Q: Can two objects be in thermal equilibrium if they are not touching ?

A: Zeroth law of thermodynamics If two objects A and B are in thermal equilibrium with another object…

Q: If placed in outer space where there is a near vacuum, a heated object will lose almost all of its…

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Q: If 1 gram of iron stores 40 J of internal energy at 100 Kelvin. How much energy would 1 Kg of iron…

A: If 1 gram of iron stores 40 J of internal energy at 100 Kelvin. How much energy would 1 Kg of iron…

Q: Both beakers A and B contain a mixture of ice and water at thermal equilibrium. Which of the breaker…

A: Given that mixture of ice and water is at thermal equilibrium.

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: Can there be any heat transfer between two bodies that are at the same temperature but at different…

A: Heat transfer is a branch of thermal physics that concern with the transfer of heat from one body to…

Q: Why is there a need for a quick transfer of the hot shots into the water in the calorimeter?

A: The transfer hot shots into the water in calorimeter should be done as quick as possible.

Q: When a hot object and a cold one are placed in thermal contact, the temperature at equilibrium will…

A: Recall principle of calorimetry Heat lost by hotter body=heat gained by colder body

Q: The figure shows a cut-away drawing of a thermos bottle (also known as a Dewar flask), which is a…

A: The functions of the various parts are; Vacuum: It reduces the transfer of heat due to convection or…