Thermal Properties of Matter questions
823 published questions with worked solutions.
- Snow is more heat insulating than ice because
- If the temperature difference on the two sides of a wall increases from 100^ C to 200^ C , its thermal conductivity
- The thermal conductivity of a rod depends on
- Wires A and B have identical lengths and have circular cross-sections. The radius of A is twice the radius of B, i.e. r_A = 2r_B....
- The ends of two rods of different materials with their thermal conductivities, radii of cross-section and lengths all in the...
- The length of the two rods made up of the same metal and having the same area of cross-section are 0.6 m and 0.8 m, respectively....
- Equal temperature differences exist between the ends of two metallic rods 1 and 2 of equal lengths. Their thermal conductivities...
- In a steady state, the temperature at the ends A and B of 20 cm long rod AB are 100^ C and 0^ C . The temperature of a point 9 cm...
- If a body cools down from 80^ C to 60^ C in 10 min when the temperature of the surrounding is 30^ C . Then, the temperature of...
- A body cools from 50^ C to 40^ C in 5 min. The surrounding temperature is 20^ C . In what further time (minute) will it cool to...
- A liquid cools from 50^ C to 45^ C in 5 min and from 45^ C to 41.5^ C in the next 5 min. The temperature of the surrounding is
- A calorimeter contains 10 g of water at 20^ C . The temperature falls to 15^ C in 10 min. When calorimeter contains 20 g of water...
- A metal rod having linear expansion coefficient 2 10^ -5 , ^ C ^ -1 has a length of 1 m at 20^ C . The temperature at which it is...
- A clock with an iron pendulum keeps correct time at 15^ C . What will be the error in second per day, if the room temperature is...
- A thin copper wire of length l increase in length by 1% when heated from 0^ C to 100^ C . If a thin copper plate of area 2l l is...
- The density of a substance at 0^ C is 10 g/cc and at 100^ C , its density is 9.7 g/cc. The coefficient of linear expansion of the...
- A steel tape measures the length of a copper rod as 90.0 cm, when both are at 10^ C , the calibration temperature for the tape....
- An amount of water of mass 20 g at 0^ C is mixed with 40 g of water at 10^ C , final temperature of the mixture is
- The temperature of equal masses of three different liquids A, B and C are 12^ C , 19^ C and 28^ C , respectively. The temperature...
- A wall has two layers A and B, made of two different materials. The thermal conductivity of material A is twice that of B. If the...
Other chapters
Alcohols, Phenols and EthersAldehydes, Ketones and Carboxylic AcidsAlternating CurrentAminesAnatomy of Flowering PlantsAncient Indian HistoryAnimal KingdomApplication of DerivativesArea Under CurveAromatic Compounds and Aryl HalidesAtomsBasic Mathematics and LogarithmBinomial TheoremBiodiversity and ConservationBiological ClassificationBiomoleculesBiotechnology and Its ApplicationsBiotechnology: Principles and ProcessesBody Fluids and CirculationBreathing and Exchange of GasesCell Cycle and Cell DivisionCell: The Unit of LifeChemical Bonding and Molecular StructureChemical Coordination and Integration