Question

What are Isotherms .explain ?
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Answer 1

Answer:

Isotherms are pressure-volume graphs at a constant temperature

Explanation:

according to Boyle's law, pressure is inversely proportional to volume at constant temperature.isotherms are used to represent different pressure-volume graphs at different constant temperatures

Answer 2

Answer:

isotherms line draw on map or a chart joining point with same temperature ..isotherm are commonly used in meterologyto show the distribution of temperature at earth surface or a chart indicating constant level and constant pressure