Newton`s Ring Experiment Setup
Newtons Rings Apparatus
When Light is reflected between a spherical surface and an adjacent touching flat surface, an interference pattern is formed. This phenomenon is called Newtons Rings. The apparatus required to view this interference is called Newtons Rings Apparatus.
In Newtons Rings Apparatus, the light from the Condenser lens incidents on the plane glass inclined at 45 degrees and gets reflected vertically downwards and falls on the combination of palno convex lens and plain glass. Some portion of the light is reflected from the lower convex side of the lens and some portion of light is reflected from the upper side of the plain glass plate. A phase difference is created between the two wave fronts that gives rise to dark and bright concentric rings which are viewed through the microscope provided with a high quality
Achromatic objective, a Ramsdons eyepiece and a cross line graticule. The diameter of the rings can be measured using the micrometer.
Features of the Newton's Ring Microscope:-
- Compact instrument with full arrangements for conducting Newton's Ring experiment.
- A standard Microscope unit with 30x magnification and rotatable cross line eye piece.
- Focusing of microscope is through Rack and Pinion.
- Longitudinal movement of 26 mm is done by rotating the drum provided which reads up to 0.001cm.
- Complete with optical glass and convex lens inside a metal case.
- Provided with complete Sodium lamp assembly.
- Packed in a sturdy wooden box along with all standard accessories.
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