Saturated vapour is compressed to half its volume without any change in temperature, then the pressure will be

Question

Explain why :

a body with large reflectivity is a poor emitter
a brass tumbler feels much colder than a wooden tray on a chilly day
an optical pyrometer (for measuring high temperatures) calibrated for an ideal black body radiation gives too low a value for the temperature of a red hot iron piece in the open, but gives a correct value for the temperature when the same piece is in the furnace
the earth without its atmosphere would be inhospitably cold
heating systems based on circulation of steam are more efficient in warming a building than those based on circulation of hot water

Answer 1

Step 1: Understanding the Concept
Saturated vapour pressure is the pressure of a vapour in equilibrium with its liquid phase.
Step 2: Temperature Dependence
Saturated vapour pressure depends solely on temperature.
Step 3: Answer Analysis
Since the temperature remains unchanged, the vapour pressure also remains the same, despite the change in volume.
Hence, the Answer is: (C)

Saturated vapour is compressed to half its volume without any change in temperature, then the pressure will be

Show Hint

The Correct Option is C

Solution and Explanation

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