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प्रश्न
Distinguish between the following:
Isobars and Isotherms
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उत्तर
Isobars :
- These are the lines joining the places of the same air pressure.
- The closeness of these lines indicates the intensity of pressure.
Isotherms :
- These are the lines joining the place of the same air temperature.
- The closeness of these lines indicates the intensity of temperature.
संबंधित प्रश्न
Give reason for the following:
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Name the physical quantity which is expressed in the unit 'atm'. State its value in pascal.
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How does the atmospheric pressure change with altitude? Draw an approximate graph to show this variation.
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Draw a simple diagram of a Fortin's barometer and state how it is used to measure the atmospheric pressure.
Describe an experiment to demonstrate that air exerts pressure.
It is much easier to burst an inflated balloon with a needle than by a finger. Explain.
