When altitude of earth is in between 90 km and 150 km Knudsen number can be in between 0.3 and _________
A. 1
B. 2
C. 3
D. none
Answer:A
When altitude of earth is in between 90 km and 150 km Knudsen number can be in between 0.3 and _________
A. 1 B. 2 C. 3 D. none
Explanation: When altitude of earth is in between 90 km and 150 km Knudsen number can be in between 0.3 and 1.