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By definition:
"The secondary focal point is where rays that are parallel when they enter the lens cross or appear to have crossed."
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∙ 11y ago
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What units are Lens focal lengths are measured in?
Focal length is measured in milimeters (mm) -----------------------------------------------------------------
Point at which light rays are converged by a convex lens?
Focus (only at the focal point if the incoming rays are all parallel to the axis).
Do near objects have a longer focal length?
Focal length is related to the lens. It has nothing to do with how near or far the object is to the lens or objective.
Are rays perpendicular to the principal axis of a concave mirror converge at or near the focal point?
It should be parallel. Rays "parallel to the principle axis of a concave mirror converage at or near the focal point.
What is the independent variable for the ellipses you will draw?
the focal length
What is the focal point in a composition in art called?
In art a composition's focal point is actually called the focal point. There may be multiple focal points, in which case the main one is the focal point and the others are secondary focal points. You can recognize the focal point because it is somehow set apart from the rest of the composition.
The largest dolphin reaches a leangth of what?
2 inches.
What is the term leangth of the Texas governor?
four years
What is triangel with all sides the same leangth?
It is an equilateral triangle
What is the leangth of a 6 week old kitten?
It depends on what breed of cat.
What is the length of a flower's stem?
The Leangth of a flower stem us 5 in.
What is the leangth of a pair of scisscors?
Scissors come in many different lengths.
Can 16 30 and 34 be a triangle leangth?
No. But they can be the lengths (not leangths!) of the three sides.
How long do pandas claws get?
Panda's claws AREN'T a certain leangth. The size varies.
What happens to the area of a square when its side leangth is doubled?
four times the initial value
What is the prefix for focal?
the prefix for focal is infocals
What is defined as the distance between a lens and its focal point?
focal length of the lens
