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Recent questions tagged heat and thermodynamics
+3
votes
1
answer
Thermodynamics is not concerned about______.
asked
Apr 6, 2019
in
JEE
by
kratos
cbse
thermodynamic
class-11
jee
thermodynamics
jee mains
heat and thermodynamics
+2
votes
1
answer
When water is heated from 0C to 10C. Its volume: (a) increases (b) decreases (c) does not change
asked
Apr 3, 2019
in
Class 11
by
kratos
csat
heat and thermodynamics
class-11
+2
votes
1
answer
The dimensions of Stefan-Boltzmann constant σ can be written in terms of Planck'* constant h, Boltzmann constant kB and the speed of light c as
asked
Apr 3, 2019
in
Physics
by
kratos
thermal properties of matter
class-11
jee
nature of physical world and measurement
thermodynamics
statistical physics
jee mains
heat and thermodynamics
kinetic theory of gases
+3
votes
1
answer
Which of the following is incorrect regarding the first law of thermodynamics? (a) It is not applicable to any cyclic process
asked
Apr 3, 2019
in
JEE
by
kratos
class-11
jee
chemical thermodynamics
thermodynamics
jee mains
heat and thermodynamics
+1
vote
1
answer
An electric heater supplies heat to a system at a rate of 100 W. If system performs work at a rate of 75 Joules per second.
asked
Apr 2, 2019
in
Class 11
by
kratos
thermodynamic
class-11
thermodynamics
heat and thermodynamics
11
+2
votes
1
answer
A carnot engine having an efficiency of 1/10 is being used as a refrigerator. If the work done on the refrigerator is 10 J
asked
Apr 1, 2019
in
JEE
by
kratos
jee main 2020
thermodynamic
class-11
jee
jee mains
heat and thermodynamics
+2
votes
1
answer
Explain the working principle of heat engine. Define its efficiency. Describe an analytical method for determining the work done
asked
Apr 1, 2019
in
Class 12
by
kratos
neet
class-11
jee
thermodynamics
jee mains
heat and thermodynamics
+1
vote
1
answer
If one mole of a monoatomic (γ = 5/3) gas mixed with one mole of a diatomic gas (γ = 4/3) then the value of γ for the mixture is :
asked
Mar 31, 2019
in
JEE
by
kratos
jee
thermodynamics
jee mains
heat and thermodynamics
kinetic theory of gases
+2
votes
1
answer
What do you mean by reversible and irreversible processes? Give some causes of irreversibility.
asked
Mar 31, 2019
in
JEE
by
kratos
class-11
jee
thermodynamics
irreversibility
jee mains
heat and thermodynamics
kinetic theory of gases
+1
vote
1
answer
For a certain gas the ratio of specific heats ts given to be y = 1.5. For this gas
asked
Mar 30, 2019
in
Physics
by
kratos
neet
class-11
aiims
jee
thermodynamics
statistical physics
jee mains
heat and thermodynamics
heat
+2
votes
1
answer
n the given (V-T) diagram. what is the relation between pressures P1 and P2?
asked
Mar 29, 2019
in
Class 12
by
kratos
heat and thermodynamics
class-11
kinetic theory
neet
+1
vote
1
answer
In the formula ∆U = q + w, work done by the system during expansion is (negative/positive), and heat (gained/lost) by the system is positive.
asked
Mar 27, 2019
in
Class 12
by
kratos
neet
class-11
aiims
jee
thermodynamics
jee mains
heat and thermodynamics
+3
votes
1
answer
What will be the molar volume of nitrogen and argon at 273.15 K and 1atm pressure?
asked
Mar 26, 2019
in
Chemistry
by
kratos
basic concepts of chemistry
cbse
class-11
chemical calculations
heat and thermodynamics
class-12
states of matter
+1
vote
1
answer
A balloon contains 500 m^3 of helium at 27°C and 1 atmosphere pressure. The volume of the helium at –3°C
asked
Mar 25, 2019
in
JEE
by
kratos
cbse
class-11
jee
jee mains
heat and thermodynamics
kinetic theory of gases
+3
votes
1
answer
Helium gas goes through a cycle ABCDA (consisting of two isochoric and isobaric lines) as shown in figure.
asked
Mar 23, 2019
in
JEE
by
kratos
irodov
jee
thermodynamics
entropy
jee mains
heat and thermodynamics
kinetic theory of gases
+1
vote
1
answer
What is Mayer’* Formula ?
asked
Mar 22, 2019
in
Class 11
by
kratos
thermodynamics
heat and thermodynamics
class-11
+3
votes
1
answer
A 10-m^3 tank of air at 500 kPa, 600 K acts as the high-temperature reservoir for a Carnot heat engine that rejects heat at 300 K.
asked
Mar 14, 2019
in
Class 12
by
kratos
neet
jee mains 2018
aiims
class-11
jee
carnot cycles
thermodynamics
chemical thermodynamics
jee main
jee mains
heat and thermodynamics
+3
votes
1
answer
Two ***** of an ideal monoatomic gas occupies a volume V at 27°C.
asked
Mar 13, 2019
in
JEE
by
kratos
class-11
jee mains 2018
jee
thermodynamics
jee mains
heat and thermodynamics
class-12
kinetic theory of gases
+1
vote
1
answer
An ideal gas is taken through cyclic process as shown in the figure. The net work done by the gas is
asked
Mar 10, 2019
in
JEE
by
kratos
class-11
jee
thermodynamics
jee mains
heat and thermodynamics
+3
votes
1
answer
A solid sphere is rotating freely about its symmetry axis in free space. The radius of the sphere is increased keeping its mass same.
asked
Mar 10, 2019
in
Class 12
by
kratos
system of particles
rotational motion
neet
class-11
jee
rotational motion and moment of inertia
jee mains
heat and thermodynamics
neet-2018
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