When we see at a higher level, from the horizontal line, angle formed is..

What we see at a higher level from the horizontal line, angle formed is …………..,

When we see at a lower level , from the horizontal line , angle formed is ………..

When we see at a lower level , from the horizontal line , angle formed is ………..

When we see below the horizontal line , then the angle formed is ………….. .

When we see below the horizontal line , then the angle formed is ………….. .

When the line of sight is below the horizontal level the angle formed is called____.

When the line of sight is below the horizontal level, the angle so formed by the line of sight with the horizontal is called the angle of__________

When the line of sight is above the horizontal level the angle formed is ____.

When we see an object the image formed on the retina is

When we see an object the image formed on the retina is