Thermal Properties of Matter questions
823 published questions with worked solutions.
- Three discs x, y and z having radii 2 m, 3 m and 6 m respectively are coated on outer surfaces. The wavelength corresponding to...
- Rate of radiation by a black body is 'R' at temperature 'T'. Another body has same area but emissivity is 0.2 and temperature...
- In a spectral distribution of black body radiation the wave length corresponding to maximum intensity [MHT-CET 2019]
- Two spherical black bodies A and B having radii 5 cm and 20 cm respectively are at temperatures T_A and T_B respectively. The...
- A rectangular black body of temperature 127°C has surface area 6 cm × 3 cm of rate of radiation 'E'. If its temperature is...
- The power radiated by a perfect blackbody depends only on it [MHT-CET 2015]
- Two spherical black bodies have radii R_1 and R_2. Their surface temperatures are T_1 K and T_2 K respectively. If they radiate...
- A beaker is completely filled with water at 4^ C . It will overflow, if
- A bar of iron is 10 cm at 20^ C . At 19^ C , it will be ( _ Fe = 11 10^ -6 /^ C )
- Two rods of lengths l_1 and l_2 are made of materials whose coefficient of linear expansions are _1 and _2, respectively. If the...
- The radius of a ring is R and its coefficient of linear expansion is . If the temperature of ring increases by , then its...
- If two rods of lengths L and 2L having coefficient of linear expansion and 2 respectively are connected end-on-end, the average...
- A meter rod of silver at 0^ C is heated to 100^ C . It's length is increased by 0.19 cm. Coefficient of volume expansion of the...
- The coefficient of linear expansion of crystal in one direction is _1 and that in other two directions perpendicular to it is _2....
- How much heat energy is gained when 5 kg of water at 20^ C is brought to its boiling point (Take, specific heat of water = 4.2 kJ...
- A metal block is made from a mixture of 2.4 kg of aluminium 1.6 kg of brass and 0.8 kg of copper. The amount of heat required to...
- A beaker contains 200 g of water. The heat capacity of the beaker is equal to that of 20 g of water. The initial temperature of...
- 100 g of ice at 0^ C is mixed with 100 g of water at 100^ C . What will be the final temperature of the mixture?
- A liquid of mass m and specific heat c is heated to a temperature 2T. Another liquid of mass m/2 and specific heat 2c is heated...
- 0.1 m^3 of water at 80^ C is mixed with 0.3 m^3 of water at 60^ C . The final temperature of the mixture is
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