C-10-Q029mediumsingle_mcq
The angle of depression equals when the line of sight is—
The angle of depression equals when the line of sight is—
- avertical
- bparallel to the horizon
- cperpendicular to the horizon
- dinclined
ব্যাখ্যা
A angle of depression means there is no downward tilt, so the line of sight lies along the horizontal, parallel to the horizon.