focal line meaning in Hindi

Examples

1. The absorber is located at the focal line of the mirrors.
2. This receiver is pivoted around the focal line and is usually counterbalanced.
3. The sunlight concentrated at the focal line of a spherical reflector is collected using a tracking receiver.
4. An absorber tube is positioned in the focal line of the mirror field where water is heated into saturated steam.
5. A parabolic trough consists of a linear parabolic reflector that concentrates light onto a receiver positioned along the reflector's focal line.
6. For other purposes, there is often a tube, frequently a Dewar tube, which runs the length of the trough at its focal line.
7. Because of their parabolic shape, trough collectors can focus the sun at 30-60 times its normal intensity on a receiver pipe located along the focal line of the trough.
8. Typically, light is captured with a focal point or focal line ( which creates a fire hazard ); instead, light is directed into the building through a relatively wide opening.
9. Two " astigmatic image surfaces " correspond to one object plane; and these are in contact at the axis point; on the one lie the focal lines of the first kind, on the other those of the second.
10. Naming the central ray passing through the entrance pupil the " axis of the pencil " or " principal ray, " it can be said : the rays of the pencil intersect, not in one point, but in two focal lines, which can be assumed to be at right angles to the principal ray; of these, one lies in the plane containing the principal ray and the axis of the system, i . e . in the " first principal section " or " meridional section ", and the other at right angles to it, i . e . in the second principal section or sagittal section.