focal length of the lens
focal point
This is called focal length.
1235386483783344 cm
focal length..
focal length..
The focal point is the point where light converges after it passes through a concave lens. The focal length is the distance of the focal point to the lens. Same for a convex lens, except that the focal point is the imaginary point from where light deflected from lens seems to have emerged.
the distance between epicentre plus its focal point( the exact point where earthquake occured, i.e. depth) is hypocentral distance.
Focal Point:The distance from the Lens to the Focal Point is called the Focal Point.
Focal length, positive number with a concave mirror, negative for a convex mirror.
Focal point
It is called the focal length.
The distance from the centre of the lens to the focal point.
focal length