concave mirror उदाहरण वाक्य
उदाहरण वाक्य
- For concave mirrors, whether the image is virtual or real depends on how large the object distance is compared to the focal length.
- This involved creating an experiment in which she observed how the position of a concave mirror would affect the real object that it reflected.
- In contrast, an object placed in front of a converging lens or concave mirror at a position beyond the focal length produces a real image.
- Angela Tabouri, 19, a student at Athens'Home for the Mentally Retarded, lit the torch using a polished steel concave mirror on the hill of the Pnyx.
- While training in France, Andreas Anagnostakis, MD, an ophthalmologist from Greece, came up with the idea of making the instrument hand-held by adding a concave mirror.
- He often painted with the aid of a concave mirror, and to obtain exactness looked at his subject through a frame crossed with squares of silk thread.
- If the rays of light coming from a farther light source reflect to any point on axis of the concave mirror, they form concentric circles in that point.
- In the ceremony, a silver torch is placed inside a burnished-steel concave mirror placed before an altar to Hera, a Greek goddess worshipped in Olympia during the original games.
- Keith Christiansen, a curator at the Metropolitan Museum of Art, read an open letter to Hockney testifying that he had gone out and bought a concave mirror at Duane Reade.
- Heavy clouds and sporadic rain in the mountains around the ancient birthplace of the Olympics prevented the flame from being lit by the rays of the sun in a concave mirror.