Question

In the given figure given, $\beta$ is _____

• A. Angle of elevation
• B. Angle of depression
• C. Line of sight
• D. Horizontal level

Answer 1

Answer: (B)

Angle of depression

Here, $A$ is an object below the level of the eye and $O$ is eye.

Also, $OB$ is a horizontal line through $O$.

Thus $\angle AOB=B$ is called the angle of depression.