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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]
Hindi: Maa Ka Aanchal is a 1970 Bollywood drama film directed by Jagdev Bhambri. [1] The film stars Sanjeev Kumar and Leela Mishra. [2] Plot.
A burning apparatus consisting of two biconvex lens. A lens is a transmissive optical device that focuses or disperses a light beam by means of refraction.A simple lens consists of a single piece of transparent material, while a compound lens consists of several simple lenses (elements), usually arranged along a common axis.
Artist's impression of Leonardo's method for neutralizing the refractive power of the cornea. Leonardo da Vinci is frequently credited with introducing the idea of contact lenses in his 1508 Codex of the eye, Manual D, [9] wherein he described a method of directly altering corneal power by either submerging the head in a bowl of water or wearing a water-filled glass hemisphere over the eye.
Multiple choice questions lend themselves to the development of objective assessment items, but without author training, questions can be subjective in nature. Because this style of test does not require a teacher to interpret answers, test-takers are graded purely on their selections, creating a lower likelihood of teacher bias in the results. [8]
The mounting of two half-lenses into a single frame led to a number of early complications and rendered such spectacles quite fragile. A method for fusing the sections of the lenses together was developed by Louis de Wecker at the end of the 19th century and patented by John Louis Borsch Jr. (1873–1929) [ 9 ] in 1908.
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 ...
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.