In a faulty barometer some air is trapeed above the mercury column in the tube when the barometer reads 760mm and 750mm, a correct barometer reads 770mm and 750mm respectively.What is the length of the air column entrapped in the first case? When the faulty barometer reads 752mm,What is the reading in the correct barometer? Assume that the temperature remains constant throughout.

In a faulty barometer some air is trapeed above the mercury column in

1.	In a faulty barometer some air is trapeed above the mercury column in the tube when the barometer reads 760mm and 750mm, a correct barometer reads 770mm and 750mm respectively.What is the length of the air column entrapped in the first case? When the faulty barometer reads 752mm,What is the reading in the correct barometer? Assume that the temperature remains constant throughout.
Answer» ANSWER :7.2cm