JEE Mains Physics 2002-2019 Solved Video Solutions
One mole of diatomic ideal gas undergoes a cyclic process ABC as shown in figure. The process BC is adiabatic. The temperatures at A,B and C are 400K, 800K and 600K ,respectively. Choose the correct statement.
11
Sep
One mole of diatomic ideal gas undergoes a cyclic process ABC as shown in figure. The process BC is adiabatic. The temperatures at A,B and C are 400K, 800K and 600K ,respectively. Choose the correct statement. 800K and 600K B and C are 400K One mole of diatomic ideal gas undergoes a cyclic process ABC [...]
A solid body of constant heat capacity 1 J/°C is being heated by keeping it in contact with reservoirs in two ways (i) Sequentially keeping in contact with 2 reservoirs such that each reservoir supplies same amount of heat. (ii) Sequentially keeping in contact with 8 reservoirs such that each reservoir supplies same amount of heat.
11
Sep
A solid body of constant heat capacity 1 J/°C is being heated by keeping it in contact with reservoirs in two ways (i) Sequentially keeping in contact with 2 reservoirs such that each reservoir supplies same amount of heat. (ii) Sequentially keeping in contact with 8 reservoirs such that each reservoir supplies same amount of [...]
Consider a spherical shell of radius R at temperature T. The black body radiation inside it can be considered as an ideal gas of photons with internal energy per unit volume u = U/V ∝ T^4 and pressure p = (1/3)(U/V). If the shell now undergoes an adiabatic expansion, the relation between T and R is
11
Sep
Consider a spherical shell of radius R at temperature T. The black body radiation inside it can be considered as an ideal gas of photons with internal energy per unit volume u = U/V ∝ T^4 and pressure p = (1/3)(U/V). If the shell now undergoes an adiabatic expansion, the relation between T and R [...]
n moles of an ideal gas undergoes a process A and B as shown in the figure. The maximum temperature of the gas during the process will be
11
Sep
n moles of an ideal gas undergoes a process A and B as shown in the figure. The maximum temperature of the gas during the process will be n moles of an ideal gas undergoes a process A and B as shown in the figure. The maximum temperature of the gas during the process will [...]
An ideal gas undergoes a quasi static, reversible process in which its molar heat capacity C remains constant. If during this process the relation of pressure P and volume V is given by PVn = constant, then n is given by (Here CP and CV are molar specific heat at constant pressure and constant volume, respectively) :
11
Sep
An ideal gas undergoes a quasi static, reversible process in which its molar heat capacity C remains constant. If during this process the relation of pressure P and volume V is given by PVn = constant, then n is given by (Here CP and CV are molar specific heat at constant pressure and constant volume, [...]
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An ideal gas undergoes a quasi-static ,
respectively ,
reversible process in which its molar heat capacity C remains constant. If during this process the relation of pressure P and volume V is given by PVn = constant ,
then n is given by (Here CP and CV are molar specific heat at constant pressure and constant volume ,
A copper ball of mass 100 g is at a temperature T. It is dropped in a copper calorimeter of mass 100 g, filled with 170 g of water at room temperature. Subsequently, the temperature of the system is found to be 75°C. T is (Given, room temperature = 30°C, specific heat of copper =0.1 cal/g°C)
11
Sep
A copper ball of mass 100 g is at a temperature T. It is dropped in a copper calorimeter of mass 100 g, filled with 170 g of water at room temperature. Subsequently, the temperature of the system is found to be 75°C. T is (Given, room temperature = 30°C, specific heat of copper =0.1 [...]
Tags:
A copper ball of mass 100 g is at a temperature T. It is dropped in a copper calorimeter of mass 100 g ,
filled with 170 g of water at room temperature. Subsequently ,
room temperature = 30°C ,
specific heat of copper =0.1 cal/g°C) ,
the temperature of the system is found to be 75°C. T is (Given ,
For the given cyclic process CAB as shown for a gas, the work done is :
11
Sep
For the given cyclic process CAB as shown for a gas, the work done is : For the given cyclic process CAB as shown for a gas the work done is? September 11, 2021 Category: Chapter 8 - Thermodynamics , JEE Mains Physics 2002-2019 Solved Video Solutions ,
Cp and Cv are specific heats at constant pressure and constant volume respectively. It is observed that Cp−Cv = a for hydrogen gas Cp−Cv = b for nitrogen gas The correct relation between a and b is :
11
Sep
Cp and Cv are specific heats at constant pressure and constant volume respectively. It is observed that Cp−Cv = a for hydrogen gas Cp−Cv = b for nitrogen gas The correct relation between a and b is : Cp and Cv are specific heats at constant pressure and constant volume respectively. It is observed that [...]
A thermometer graduated according to a linear scale reads a value x0 when in contact with boiling water, and x0/3 when in contact with ice. What is the temperature of an object in 0°C, if this thermometer in the contact with the object reads x0/2 ?
11
Sep
A thermometer graduated according to a linear scale reads a value x0 when in contact with boiling water, and x0/3 when in contact with ice. What is the temperature of an object in 0°C, if this thermometer in the contact with the object reads x0/2 ? A thermometer graduated according to a linear scale reads [...]
A metal ball of mass 0.1 kg is heated upto 500ºC and dropped into a vessel of heat capacity 800 JK^–1 and containing 0.5 kg water. The initial temperature of water and vessel is 30ºC. What is the approximate percentage increment in the temperature of the water? [Specific Heat Capacities of water and metal are, respectively, 4200 Jkg–1 K–1 and 400 Jkg–1 K–1]
11
Sep
A metal ball of mass 0.1 kg is heated upto 500ºC and dropped into a vessel of heat capacity 800 JK^–1 and containing 0.5 kg water. The initial temperature of water and vessel is 30ºC. What is the approximate percentage increment in the temperature of the water? [Specific Heat Capacities of water and metal are, [...]