The rectangular voltage is an example of____________________?
(A) An analogue waveform
(B) Continuous wave form
(C) Electronic waveform
(D) A digital waveform
The size of one degree of Celsius is equal to_________________?
(A) One degree of Fahrenheit scale
(B) 1.8 degrees of Fahrenheit scale
(C) 3.2 degrees of Fahrenheit scale
(D) 2.12 degrees of Fahrenheit scale
Normal human body temperature 98.6°F corresponds to______________?
(A) 37°C
(B) 42°C
(C) 55°C
(D) 410°C
Numerical value of Boltzmanns constant is______________?
(A) 1.38×10-31JK-1
(B) 3.18×10-31JK-1
(C) 3.18×10-23JK-1
(D) 1.38×10-23JK-1
We prefer mercury as a thermometric substance because______________?
(A) Over a wide range of temperature its expansion is uniform
(B) It does not stick to thermometer glass
(C) It opaque to light
(D) All of above
In a clinical thermometer the mercury in the capillary tube does not contract once removed from the patient because_______________?
(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
Which one is not an example of adiabatic process ?
(A) rapid escape of air from a burst tyre
(B) rapid expansion of air
(C) conversion of water into ice in refrigerator
(D) cloud formation in the atmosphere
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
Boyles law helds for ideal gases in________________?
(A) isochoric processes
(B) isobaric processes
(C) isothermal processes
(D) adiabatic processes