Physics-
General
Easy
Question
The variation of lengths of two metal rods A and B with change in temperature is shown in figure. The ratio of A B 
is:–
The correct answer is:
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Physics-
In a vertical U–tube containing a liquid, the two arms are maintained at different temperatures, 
and 
. The liquid columns in the two arms have heights 
and 
respectively. The coefficient of volume expansion of the liquid is equal to:–
In a vertical U–tube containing a liquid, the two arms are maintained at different temperatures, and . The liquid columns in the two arms have heights and respectively. The coefficient of volume expansion of the liquid is equal to:–
Physics-General
Physics-
Two absolute scales 
and 
assigned numerical values 200 and 450 to the triple point of water. What is the relation between 
and 
?
Two absolute scales and assigned numerical values 200 and 450 to the triple point of water. What is the relation between and ?
Physics-General
Physics-
The graph AB shown in figure is a plot of temperature of a body in degree Celsius and degree Fahrenheit. Then :–
The graph AB shown in figure is a plot of temperature of a body in degree Celsius and degree Fahrenheit. Then :–
Physics-General
Physics-
One mole of an ideal monoatomic gas undergoes a cyclic process as shown in figure. Temperature at point 1 = 300 K and process 2-3 is isothermal. The efficiency of cycle is
One mole of an ideal monoatomic gas undergoes a cyclic process as shown in figure. Temperature at point 1 = 300 K and process 2-3 is isothermal. The efficiency of cycle is
Physics-General
Physics-
One mole of an ideal monoatomic gas undergoes a cyclic process as shown in figure. Temperature at point 1 = 300 K and process 2-3 is isothermal. Heat capacity of process 
is
One mole of an ideal monoatomic gas undergoes a cyclic process as shown in figure. Temperature at point 1 = 300 K and process 2-3 is isothermal. Heat capacity of process is
Physics-General
Physics-
One mole of an ideal monoatomic gas undergoes a cyclic process as shown in figure. Temperature at point 1 = 300 K and process 2-3 is isothermal. Net work done by gas in complete cycle is
One mole of an ideal monoatomic gas undergoes a cyclic process as shown in figure. Temperature at point 1 = 300 K and process 2-3 is isothermal. Net work done by gas in complete cycle is
Physics-General
Physics-
At 
a liquid is filled upto 10 cm height in a container of glass of length 20 cm and cross-sectional area 100 cm2 Scale is marked on the surface of container. This scale gives correct reading at .
°C–1. The reading of scale at 40°C is-
At a liquid is filled upto 10 cm height in a container of glass of length 20 cm and cross-sectional area 100 cm2 Scale is marked on the surface of container. This scale gives correct reading at .°C–1. The reading of scale at 40°C is-
Physics-General
Physics-
At a liquid is filled upto 10 cm height in a container of glass of length 20 cm and cross-sectional area 100 cm2 Scale is marked on the surface of container. This scale gives correct reading at .°C–1.The actual height of liquid at 40°C is-
At a liquid is filled upto 10 cm height in a container of glass of length 20 cm and cross-sectional area 100 cm2 Scale is marked on the surface of container. This scale gives correct reading at .°C–1.The actual height of liquid at 40°C is-
Physics-General
Physics-
At a liquid is filled upto 10 cm height in a container of glass of length 20 cm and cross-sectional area 100 cm2 Scale is marked on the surface of container. This scale gives correct reading at .°C–1. The volume of liquid at 
is :–
At a liquid is filled upto 10 cm height in a container of glass of length 20 cm and cross-sectional area 100 cm2 Scale is marked on the surface of container. This scale gives correct reading at .°C–1. The volume of liquid at is :–
Physics-General
Physics-
One mole of a monoatomic ideal gas occupies two chambers of a cylinder partitioned by means of a movable piston. The walls of the cylinder as well as the piston are thermal insulators. Initially equal amounts of gas fill both the chambers at 
A coil is burnt in the left chamber which absorbs heat and expands, pushing the piston to the right. The gas on the right chamber is compressed until to pressure becomes 32 
The change in internal energy of the gas in the left chamber is
One mole of a monoatomic ideal gas occupies two chambers of a cylinder partitioned by means of a movable piston. The walls of the cylinder as well as the piston are thermal insulators. Initially equal amounts of gas fill both the chambers at A coil is burnt in the left chamber which absorbs heat and expands, pushing the piston to the right. The gas on the right chamber is compressed until to pressure becomes 32 The change in internal energy of the gas in the left chamber is
Physics-General
Physics-
One mole of a monoatomic ideal gas occupies two chambers of a cylinder partitioned by means of a movable piston. The walls of the cylinder as well as the piston are thermal insulators. Initially equal amounts of gas fill both the chambers at A coil is burnt in the left chamber which absorbs heat and expands, pushing the piston to the right. The gas on the right chamber is compressed until to pressure becomes 32 .The work done on the gas in the right chamber is
One mole of a monoatomic ideal gas occupies two chambers of a cylinder partitioned by means of a movable piston. The walls of the cylinder as well as the piston are thermal insulators. Initially equal amounts of gas fill both the chambers at A coil is burnt in the left chamber which absorbs heat and expands, pushing the piston to the right. The gas on the right chamber is compressed until to pressure becomes 32 .The work done on the gas in the right chamber is
Physics-General
Physics-
One mole of a monoatomic ideal gas occupies two chambers of a cylinder partitioned by means of a movable piston. The walls of the cylinder as well as the piston are thermal insulators. Initially equal amounts of gas fill both the chambers at A coil is burnt in the left chamber which absorbs heat and expands, pushing the piston to the right. The gas on the right chamber is compressed until to pressure becomes 32 . The final volume of left chamber is
One mole of a monoatomic ideal gas occupies two chambers of a cylinder partitioned by means of a movable piston. The walls of the cylinder as well as the piston are thermal insulators. Initially equal amounts of gas fill both the chambers at A coil is burnt in the left chamber which absorbs heat and expands, pushing the piston to the right. The gas on the right chamber is compressed until to pressure becomes 32 . The final volume of left chamber is
Physics-General
Physics-
The graph below shows V-P curve for three processes. Choose the correct statement(s)
The graph below shows V-P curve for three processes. Choose the correct statement(s)
Physics-General
Physics-
moles of an ideal triatomic linear gas undergo a process in which the temperature changes with volume as 
where 
is a constant. Choose correct alternative(s).
moles of an ideal triatomic linear gas undergo a process in which the temperature changes with volume as where is a constant. Choose correct alternative(s).
Physics-General
Physics-
The temperature drop through a two layer furnace wall is 
. Each layer is of equal area of cross–section. Which of the following action(s) will result in lowering the temperature 
of the interface?
The temperature drop through a two layer furnace wall is . Each layer is of equal area of cross–section. Which of the following action(s) will result in lowering the temperature of the interface?
Physics-General
