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Acharya Shivpujan Sahay (9 August 1893 – 21 January 1963) was a noted Hindi and Bhojpuri novelist, editor and prose writer.He contributed in pioneering modern trends. His auto-biographical story "Mata ka Aanchal" ("Mother's Embrace") also featured in the NCERT Hindi textbook, Kritika, for the tenth grade. [1]
Download as PDF; Printable version; In other projects ... Hindi: Maa Ka Aanchal is a 1970 Bollywood drama film directed by Jagdev Bhambri. [1]
Maila Aanchal (Hindi: मैला आँचल; English: The Soiled Border) is a 1954 Hindi novel written by Phanishwar Nath Renu. [1] [2] After Premchand's Godan, 'Maila Anchal' is regarded as the most significant Hindi novel in the Hindi literature tradition. [3] [4] It is one of the greatest examples of "Anchalik Upanyas" (regional novel ...
The lens is suspended to the ciliary body by the suspensory ligament (zonule of Zinn), made up of hundreds of fine transparent fibers which transmit muscular forces to change the shape of the lens for accommodation (focusing). The vitreous body is a clear substance composed of water and proteins, which give it a jelly-like and sticky composition.
This is any lens with a focal length longer than the diagonal measure of the film or sensor. [121] The most common type of long focus lens is the telephoto lens, a design that uses a special telephoto group to be physically shorter than its focal length. [122] Modern zoom lenses may have some or all of these attributes.
In photographic and microscopic lenses, dispersion causes chromatic aberration, which causes the different colors in the image not to overlap properly. Various techniques have been developed to counteract this, such as the use of achromats, multielement lenses with glasses of different dispersion. They are constructed in such a way that the ...
The work is concerned with how curved mirrors and lenses bend and focus light. Ibn Sahl also describes a law of refraction mathematically equivalent to Snell's law. [13] He used his law of refraction to compute the shapes of lenses and mirrors that focus light at a single point on the axis. Alhazen (Ibn al-Haytham), "the father of Optics" [14]
The lens focuses light in the same way as a conventional lens. Gradient-index (GRIN) optics is the branch of optics covering optical effects produced by a gradient of the refractive index of a material. Such gradual variation can be used to produce lenses with flat surfaces, or lenses that do not have the aberrations typical of traditional ...