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प्रश्न
For a given mass of an ideal gas, which of the following statements is CORRECT?
विकल्प
At a constant temperature, the pressure is directly proportional to the density of a gas.
At a constant temperature, the pressure is directly proportional to the volume on a gas.
At a constant pressure, the volume is inversely proportional to the temperature of a gas.
At a constant volume, pressure is inversely proportional to the temperature of a gas.
उत्तर
At a constant temperature, the pressure is directly proportional to the density of a gas.
Explanation:
According to Boyle's law, at a constant temperature for a given mass of an ideal gas, pressure is inversely proportional to the volume.
`"P" ∝ 1/"V"`
∴ `"P" ∝ 1/(("m"//"d"))`
∴ `"P" ∝ "d"/"m"`
∴ `"P" ∝ "d"` .......(∵ m = constant)
