Thermal Properties of Matter questions
823 published questions with worked solutions.
- Two spares of the same material have radii 1 m & 4 m and temperature 4000 K and 2000 K respectively. The ratio of the energy...
- A black body radiates energy at the rate of E W/m^2 at a high temperature T K. When the temperature is reduced to T/2 K, the...
- A metal ball of surface area 200 cm^2 and temperature 527°C is surrounded by a vessel at 27°C. If the emissivity of the metal is...
- The temperature–time graphs obtained in Newton's cooling experiment is
- A sphere, a cube, a cone and a thin disc all made up of the same material and all have the same mass. If they are heated to the...
- A Solid cube and a sphere are made of the same material and both have the same surface area. If both are at the temperature of...
- Newton's law of cooling is used in laboratory for the determination of the specific heat of
- Newton's law of cooling holds good, if the temperature difference between body and surrounding is
- Newton's law of cooling is valid for
- Newton's law of cooling is also applicable to
- In the above question, the body that cool slowest is
- Newton's law of cooling can be obtained from
- Two spheres of radii in the ratio 1 : 2, densities in the ratio 2 : 1 and of Same specific heat are heated to the Same...
- If the temperature of a hot body is raised by 8%, then the heat energy radiated would increase by
- A body cools at the rate of 0.6°C/s when it is 40°C above the surrounding. The rate of cooling when it is at 10°C above the same...
- A body cools at the rate of 3°C/min, when its temperature is 50°C. If the temperature of its surroundings is 25°C, then the rate...
- A body cools from 60°C to 50°C in 10 minutes. If the room temperature is 25°C and assuming Newton's law of cooling to hold good,...
- You are given two spheres of same material and radii 10 cm and 20 cm. They are heated to the same temperature. They are placed in...
- A body cools at the rate of 1.5°C/min when its temperature is 30°C above that of the surrounding. At what temperature above the...
- A body cools at the rate of 0.50°C/s when it is 50°C above the surrounding. Its rate of cooling when it is 30°C above the same...
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