Thermal Properties of Matter questions
823 published questions with worked solutions.
- A stationary object at 4^ and weighing 3.5 kg falls from a height of 2000 m on snow mountain at 0^ . If the temperature of the...
- A thermometer bulb has volume 10^ -6 m^3 and cross-section of the stem is 0.002 cm^2. The bulb is filled with mercury at 0^ . If...
- The volume of a metal sphere increases by 0.33 % when its temperature is raised by 50^ . The coefficient of linear expansion of...
- A body cools from 80^0C to 50^0C in 5 min. In the next time of ‘t’ min, the body continues to cool from 50^0C to 30^0C. The total...
- A rectangular black body of temperature 127^0C has surface area 4 cm x 2 cm and rate of radiation is E. If its temperature is...
- Two spherical black bodies have radii 'r_ 1 ' and 'r_ 2 '. Their surface temperatures are 'T_ 1 ' and 'T_ 2 '. If they radiate...
- A calorimeter contains 10 g of water at 20°C. The temperature fall to 15°C in 10 min. when container contains 20 g of water at...
- A black sphere has radius R whose rate of radiation is E at temperature T. If radius is made R 2 and temperature 3T, the rate of...
- Two black spheres P & Q have radii in the ratio 4 : 3. The wavelength of maximum intensity of radiation are in the ratio 4 : 5...
- The difference in length between two rods A and B is 60 cm at all temperatures. If _A= 18 x 10^ -6 /^0C and _B = 27 x 10^ -6...
- The length of steel rod is 5 cm longer than the copper rod at all temperatures. The length of the steel and copper rod is...
- The heat radiated per unit area in 1 hour by a furnace whose temperature is 3000 K is ( = 5.7 10^ -8 W m^ -2 K^ -4 )
- A large cylindrical rod of length L is made by joining two identical rods of copper and steel of length ( L2 ) each. The rods are...
- On a linear temperature scale Y, water freezes at −160°Y and boils at −50°Y. On this Y scale, a temperature of 340 K would be...
- Given that 1 g of water in liquid phase has volume 1 cm^3 and in vapour phase 1671 cm^3 at atmospheric pressure and the latent...
- 500 g of water and 100 g of ice at 0°C are in a calorimeter whose water equivalent is 40 g.10 g of steam at 100°C is added to it....
- A mass of 50 g of water in a closed vessel, with surroundings at a constant temperature takes 2 minutes to cool from 30°C to...
- Water of volume 2 L in a closed container is heated with a coil of 1 kW. While water is heated, the container loses energy at a...
- A hot body, obeying Newton's law of cooling is cooling down from its peak value 80 °C to an ambient temperature of 30 °C. It...
- Hot water cools from 60 °C to 50 °C in the first 10 minutes and to 42 °C in the next 10 minutes. The temperature of the...
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