1.
For mountain waves to form
there should be flow of air across the ridge, generally within ……………of the
perpendicular to the ridge.
a.
30°
b.
45°
c.
60°
2.
For mountain waves to form the
wind speed for small mountains should be atleast
a.
15 m/s
b.
10 m/s
c.
7m/s
3.
For mountain waves to form the
wind speed for large mountains should be atleast
a.
15 m/s
b.
10 m/s
c.
7m/s
4.
For mountain waves to form the
atmosphere should be up to the ridge, where
air stream strikes the ridge.
a.
Unstable
b.
Stable
c.
Indifferent
5.
For mountain waves to form the
atmosphere should be at higher levels above
the ridge
