Newton’s Ring Apparatus |
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| Newton’s Ring Apparatus
( 1153 ) |
| Comprising a small wooden frame of sizes 5” x 3” x 3” with a matt blackened inside and provided with a glass plate 4” x 3 ½”x 3/8 mm mounted at an angle of 450 to reflect the light downwards on to a plano convex lens of 60 mm dia having 100 cm focal length which rests on a plain glass plate 3” x 3” x 3/8 mm on the base of the box.
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