8:09:00 PM
Temperature
– Kinetic energy:
Activity
showing the Kinetic energy of the particles depends upon the temperature:
1. Take two bowls one with hot
water and second with cold water.
2. Sprinkle food color on the
surface of the water in both bowls.
3. We observe that the jiggling
of the grains of food color in hot water is more when compared to the jiggling
in cold water.
4. Bodies possess kinetic energy
when they are in motion. We observe the kinetic energy of the particles in hot
water is more when compared to the kinetic energy of the particles in cold
water.
5. The temperature of the body is
an indicator of the average kinetic energy of molecules of that body.
6. “The average kinetic energy of
the molecules is directly proportional to the absolute temperature.
Average
K.E. α T (in K)
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