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Matter In Our Surroundings
Can an object be at rest as well as in motion at the same time?
Rest and motion are relative terms. So, an object may be at rest relative to one object and at the same time it may be in motion relative to another object.
Hence, an object can be at rest as well as in motion relatively at the same time.
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Convert the following temperature to Celsius scale.
573 K
Convert the following temperatures to Kelvin scale
25°C
What is the physical state of water at
100 °C
For any substance, why does the temperature remain constant during the change of state ?
Suggest a method to liquify atmospheric gases.
Convert the following temperatures to Kelvin scale.
35°C
Give reason for the following observations.
Naphthalene balls disappear with time without leaving any solid.
Give reason for the following observations.
We can get the smell of perfume sitting several metres away.
What is the physical state of water at
a) 25°C
b)00C
c)1000C
What is the physical state of water at
0°C
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