A. Mercury takes a long time to contract
B. The amount of mercury use is very small
C. The capillary tube has a small constriction near the bulb
D. The capillary tube is very narrow
Heat and Thermodynamics
The pressure exerted by a column of mercury 76cm high and at 0°C is called_______________?
A. 1 atmosphere
B. 1 Newton per square meter
C. 1 Pascal
D. data is insufficient
The work done in the isochoric process is________________?
A. constant
B. variable
C. zero
D. depends on situation
Normal human body temperature 98.6°F corresponds to______________?
A. 37°C
B. 42°C
C. 55°C
D. 410°C
For a gas obeying Boyles law if the pressure is doubled the volume becomes________________?
A. double
B. one half
C. four times
D. one fourth
Which one is true for internal energy ?
A. It is sum of all forms of energies associated with molecules of a system
B. It is a state function of a system
C. It is proportional to transnational K.E of the molecules
D. All are correct
At constant temperature the graph between V and 1/P is_____________?
A. Hyperbola
B. Parabola
C. A curve of any shape
D. A straight lime
Standard condition STP refer to a gas at ___________________?
A. 76cm 0°C
B. 760mm 273K
C. 1atm 273K
D. all of the above
If the volume of a gas is held constant and we increase its temperature then_______________?
A. its pressure is constant
B. its pressure rises
C. its pressure falls
D. any of above
We can produce heat by________________?
A. Frictional process
B. Chemical processes
C. Electrical processes
D. All of the above
