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WorksheetsHeat
Total questions: 20
Worksheet time: 10mins
The first physical quantity that we study in thermometry comes under the heading of:
Potential
Pressure
Heat
Temperature
In thermometry we study about the measurement of:
Potential
Pressure
Heat
Temperature
Fluids always flow from a region of higher to lower:
Potential
Pressure
Heat
Temperature
Electric charge ( positive) flows from a body at higher to lower:
Potential
Pressure
Heat
Temperature
Heat flows from a body at higher to lower:
Potential
Pressure
Heat
Temperature
The degree of hotness or coldness is:
Potential
Pressure
Heat
Temperature
The temperature of a substance changes from -20°C to 20°C. What is the temperature change on Kelvin scale:
253 K
293 K
40 K
-40 K
At S.T.P. pure water boils at:
100 K
173 K
273 K
373 K
When a piece of red hot iron is thrust into boiling water, temperature of the boiling water will:
Increase
Decrease
Remains same
Increase by 10 Celsius
When water is changed into ice it:
Expands
Contacts
Both
None
Normal human body temperature in centigrade is:
27
37
47
57
Normal human body temperature in kelvin is:
94.4
96.4
98.4
100.4
The maximum density of pure water is:
0 oC
4 oC
59 oC
100 oC
A graph plotted between volume and pressure, when temperature is kept constant is a:
Hyperbola
Ellipse
Circle
Straight line
A graph plotted between volume and temperature, when pressure is kept constant is a:
Hyperbola
Circle
Ellipse
Straight line
The quantity of heat required to change temperature of one kg mass of a substance by one kelvin is called:
Heat capacity
Specific heat capacity.
Latent heat
All of them
Specific heat of water than the specific heat of copper is:
Less
More
Equal
None of these
The S.I. unit of specific heat is:
J/Kg
J/ Kg-K
Kg/ J
J/ K
Mercury is commonly used as the working liquid in laboratory thermometer because it:
Has a high freezing point
Has a high density
Is silvery
Expands evenly and proportionally
S.I. unit of coefficient of linear (or volumetric) expansion is:
K
1/K
oC
1/oC
