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Chapter - 6 Heat and Temperature
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The coefficient of volume expansion is ______ the coefficient of linear expansion.
triple
Unusual expansion of water is called ______ expansion of water.
anomalous
Anomalous expansion of water, when water is heated its volume ______ up and ____ increases.
decreases , density
The unit of coefficient of linear, area and volume expansion is _____.
per kelvin
Aluminium expands _____ as much as steel does.
twice
The expansion of copper is ______ times that of steel.
one and a half
When a substance is heated, its volume usually _______.
increases
Relation between Celsius temperature and Fahrenheit temperature, TC =
5 / 9 ( TF - 32 )
Relation between Fahrenheit temperature and Celsius temperature , TF =
1.8 TC + 32
On Fahrenheit scale, the steam point is _______.
212 degree Fahrenheit
On Celsius scale, freezing point of water is ___________
zero degree Celsius
The SI unit for temperature is ______.
kelvin
Temperature scales are Celsius, _______ and kelvin scales.
Fahrenheit
Best for steady temperatures , we use ___________ thermometer.
resistance
For measure high temperature, we use ________ thermometer.
thermocouple
Liquid-in-glass thermometer measure _______.
low temperature
Alcohol has a lower ______ points.
freezing
The liquid fills a thin glass bulb. What liquid fill?
mercury or coloured alcohol
Every thermometer uses a physical property that varies with _______.
temperature
Temperature is a measure of the ______ of molecules.
internal energy
The unit of heat is the same as units of ______.
energy
The energy exchanged between an object and its surrounding due to different temperatures
heat
Which instrument uses to measure temperature accurately?
thermometer
The temperature of a hot body is higher than that of a _______.
cold body
The quantity that determines how cold or how hot the object is
temperature
The _______ is very important for the physical and biological sciences.
concept of temperature
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