ICSE Class 9 Physics Sample Paper. We covered all the ICSE Class 9 Physics Sample Paper in this post for free so that you can practice well for the exam.
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ICSE Class 9 Physics MCQs for Students
In an isothermal expansion :
(A) Internal energy of the gas increases
(B) Internal energy of the gas decreases
(C) Internal energy remains unchanged
(D) the Average kinetic energy of the gas molecule decreases
Option c – Internal energy remains unchanged
For an ideal gas, in an isothermal process :
(A) Heat content remains constant
(B) Heat content and temperature remain constant
(C) Temperature remains constant
(D) None of the above
Option c – Temperature remains constant
A system after passing through different states returns back to its original state:
(A) Isothermal process
(B) Adiabatic process
(C) Isobaric process
(D) Cyclic process
Option d – Cyclic process
If the volume of gas decreases by 10% during the isothermal process then its pressure will :
(A) Decrease by 10%
(B) Increase by 10%
(C) Decrease by 11.11%
(D) Increase by 11.11%
Option b – Increase by 10%
Out of three variables pressure, volume, and temperature :
(A) All three are dependent variables
(B) Any two are independent variables and the third is a dependent variable
(C) All three are independent variables
(D) Only one is independent and the remaining two are dependent variables
Option b – Any two are independent variables and the third is a dependent variable
Thermodynamic variables are :
(A) Mass, specific heat, and density
(B) Pressure, volume, and mass
(C) Volume, mass, and temperature
(D) Pressure, volume, and temperature
Option d – Pressure, volume, and temperature
The internal energy of the gas increases in
(A) Adiabatic expansion
(B) Adiabatic compression
(C) Isothermal expansion
(D) Isothermal compression
Option b – Adiabatic compression
In adiabatic expansion :
(A) dU = 0
(B) dU = negative
(C) dU = positive
(D) dW = 0
Option b – dU = negative
The process in which no heat enters or leaves the system is termed as
(A) Isochoric
(B) Isothermal
(C) Isobaric
(D) Adiabatic
Option d – Adiabatic
We covered all the icse class 9 physics sample paper above in this post for free so that you can practice well for the exam.
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