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Std 10
Science part 1
Chapter # 5
Heat
© Science Department
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KEY WORDS
Heat
Convection
Temperature
Conduction
Radiation
© Science Department
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Heat
Heat is the form of energy
that’s transferred from one
body/ object to another
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CGS unit of heat is calorie
...
2 joule
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Muktangan Education Trust, Mumbai
(2021)
...
● When heat is transferred from
one body to another, the
amount of heat lost by the hot
body equal to the amount of
gained by the cold body
...
Muktangan Education Trust, Mumbai
(2021)
...
The SI unit of temperature is
kelvin
...
app
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gl/YisjwEY4PAUV6tc9A
© Science Department
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Heat and Temperature
Heat
1
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It is a measure of degree of coldness or
hotness of an object
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The average kinetic energy of all the
2
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all the molecules of a given
substance
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The SI unit of heat is joule
...
The SI unit of temperature is kelvin
...
Two bodies having same quantity
of heat can be at different
temperature
...
Two bodies having different
temperature can have different quantities
of heat
...
Muktangan Education Trust, Mumbai
(2021)
...
Convection - When a fluid is heated it
moves away from the source
...
Radiation - Materials radiate thermal
energy when heated in the form of
https://www
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com/amp/pin/7984742
08917735352/
electromagnetic radiation, it is emitted in
all directions
© Science Department
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References
Heat energy- https://images
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goo
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app
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gl/YisjwEY4PAUV6tc9A
Principle of heat exchange- https://images
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goo
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Muktangan Education Trust, Mumbai
(2021)