Q: 14 (IES/2002)

When a tide enters the narrow and shallow estuary of river, the front of the tidal wave appears to be vertical owing to the piling up of water of the river against the tidal wave and the friction of the river bed. The appropriate name of this vertical wall of water is
question_subject: 
Geography
question_year: 
2002
question_exam: 
IES
stats: 
0,3984,1040,432,3984,472,136