Class 11 Physics Sample Papers with Solutions. We covered all the Class 11 Physics Sample Papers with Solutions in this post for free so that you can practice well for the exam.
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Class 11 Physics Mock Test for Students
A sphere, a cube, and a thin circular plate all made of the same material and having the same mass are initially heated to a temperature of 300 °C Which of these will cool faster?:
(A) Sphere
(B) Cube
(C) Plate
(D) None of these
Option c – Plate
The liquid is filled in a vessel that is kept in a room with a temperature of 20 °C. When the temperature of the liquid is 80 °C, it loses heat at the rate of 60 cal/s. What will be the rate of loss of heat when the temperature of the liquid is 40 °C? :
(A) 180 cal/s
(B) 3.68 cal/s
(C) 40 cal/s
(D) 16.3 cal/s
Option d – 16.3 cal/s
The density of air at NTP is 1.293 kg/m³. The RMS velocity of the air at NTP is about
(A) 0.50 km/s
(B) 0.96 km/s
(C) 0.48 km/s
(D) 0.64 km/s
Option c – 0.48 km/s
The temperature at which the RMS speed of hydrogen molecules is equal to escape velocity on the earth’s surface will be :
(A) 1060 K
(B) 5030 K
(C) 8270 K
(D) 10063 K
Option d – 10063 K
Four molecules of a gas are having speeds of 1, 4, 8, and 16 m/s. The root means the square velocity of the gas molecule is :
(A) 7.25 m/s
(B) 52.56 m/s
(C) 84.25 m/s
(D) 9.2 m/s
Option d – 9.2 m/s
By what percentage should the pressure of a given mass of gas be increased so as to decrease its volume by 10% at a constant temperature? :
(A) 8.1 %
(B) 9.1 %
(C) 10.1 %
(D) 11.1 %
Option d – 11.1 %
A perfect gas at 27°C is heated at constant pressure to 327°C. If the original volume of the gas (at 27°C) is V. the volume at 327 °C will be :
(A) V/2
(B) 2V
(C) 4V
(D) 8V
Option b – 2V
Consider a gas with density p and C as the RMS velocity of its molecule contained in a volume. If the system moves as a whole with velocity V, then the pressure exerted by the gas is :
(A) 1/3p C²
(B) 1/3 p (C+ V)²
(C) 1/3 p (C-V)²
(D) 1/3 p (C²-V)²
Option a – 1/3p C²
A jar A is filled with an ideal gas characterized by parameters P. V and T and another jar B is filled with an ideal gas with parameters 2P. V/4 and 2T. The ratio of the number of molecules in jars A and B is :
(A) 1 : 1
(B) 1 : 2
(C) 2 : 1
(D) 4 : 1
Option d – 4 : 1
Calculate the RMS velocity of molecules of a gas of which the ratio of two specific heats is 1.42 and the velocity of sound in the gas is 500 m/s :
(A) 727 m/s
(B) 527 m/s
(C) 927 m/s
(D) 750 m/s
Option a – 727 m/s
We covered all the class 11 physics sample papers with solutions above in this post for free so that you can practice well for the exam.
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