The Pressure in the atmosphere decreases as the altitude increases, the rate of fall of pressure with increasing height is not constant, it changes at different levels.
The Varying Atmospheric pressure at different altitudes is as follows-
|
PRESSURE |
ALTITUDE |
|
100 |
52,000 FEET |
|
200 |
40,000 FEET |
|
300 |
30,000 FEET |
|
400 |
24,000 FEET |
|
500 |
18,000 FEET |
|
600 |
14,500 FEET |
|
700 |
10,000 FEET |
|
800 |
6,700 FEET |
|
900 |
5,000 FEET |
|
1000 |
400 FEET |
|
1013.2 |
SEA LEVEL |