Mention two similarities between convex lens and zone plate.
Answers
Answer:
Both Zone plate acts a convex lens . Both are having chromatic aberration while focusing. The relation between conjugate distances are similar. b) The image produced by a lens is very intense where as the image produced by the zone plate not intense.
Answer:
Zone Plate and a Convex Lens:
1. Both the zone plate and raised focal point structure a genuine picture of the item and the conditions interfacing the form distances are comparable.
2. The central lengths of both rely upon the frequency, 2 and consequently experience the ill effects of chromatic aberration. The chromatic variation in a zone plate is substantially more serious than in a curved focal point.
3. A zone plate acts all the while as a curved focal point and as a sunken focal point. Notwithstanding a genuine picture, a virtual picture is likewise framed all the while. A curved focal point frames just a genuine picture.
4. In the event of a zone plate the picture is framed by the diffraction peculiarity. In the event of a curved focal point, the picture is shaped because of the refraction of light.
5. The zone plate has different foci on one or the other side of the plate.
Consequently, the force of the picture framed will be significantly less.
The raised focal point has just a single concentration. As everything the light is engaged at a certain point, the power of the picture will be more.
6. In a zone plate, waves arriving at the picture point through any two substitute zones vary in the way by 2, and in stage by 2. In the event of a raised focal point, every one of the beams arriving at the picture point has zero way or stage distinction.
7. A zone plate can be utilized over many frequencies from microwaves to x-beams. Glass focal point can't be utilized past the noticeable locale.
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