Physics questions
20027 published questions with worked solutions.
- The solid and liquid have only one specific heat because of there is
- Molar specific heat is
- Which of the following quantities must be determined in order to calculate the thermal capacity of a body? (Specific heat of the...
- Why C_p>C_v?
- Solids and liquids possess only one specific heat since, on heating there is
- The unit of principal specific heat in SI system is
- Which of the following is the unit of molar specific heat in SI system.
- If C_p C_v = then
- For a gas C_p>C_v because:
- If C_v represents the molar specific heat at constant volume of a gas, U - represents the internal energy and T is absolute...
- Boiling water is changing in to steam. Under this condition, the specific heat of water is:
- For a gas, C_p-C_v=3000 J/kg ,K . If the ratio of specific heat is 1.5, then C_p is equal to (in J/kg ,K )
- For hydrogen gas c_p=4000 cal/kg ,K and c_v=3000 cal/kg ,K and R=8300 J/kmol ,K . The value of J will be (molecular weight of H_2...
- The ratio of the two specific heats of hydrogen is 1.4. If R=2 cal/gm ,mole ,^ C , the specific heat at constant pressure in...
- If R is universal gas constant, then the amount of heat needed to raise the temperature of 2 moles of a monoatomic gas from 273 K...
- The molar specific heat of oxygen at constant pressure is 7.03 cal/mole ,^ C and R=8.31 J/mole ,^ C . The amount of heat taken by...
- Which of the following substances has the lowest value of specific heat
- The mechanical equivalent of heat is
- Which of the following has the highest specific heat?
- The specific heat of water at boiling point is