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Newton's Rings in transmitted monochromatic light

VP5.3.3.1
Newton's Rings in transmitted monochromatic light
Newton's Rings in transmitted monochromatic light

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Description

In the experiment P5.3.3.1, the Newton’s rings are investigated with monochromatic, transmitted light. At a known wavelength λ, the bending radius R is determined from the radii rn of the interference rings. Here, the relationship for constructive interference is:

Thus, for the radii of the bright interference rings, we can say:

Components of equipment sets

1 471111  8  Glass plates for Newton's rings LD
2 46003  4  Lens in frame, f=100 mm LD
1 46026  8  Iris diaphragm LD
1 46022  4  Holder with spring clips LD
1 46032  8  Optical bench with standardised profile, 1 m LD
6 460370  8  Optics rider, 60/34 LD
1 451111  8  Spectral lamp, Na LD
1 451062  8  Spectral lamp, Hg 100 LD
1 45116  8  Housing for spectral lamps LD
1 45130  4  Universal choke, 230 V, 50 Hz LD
1 46882 Interference filter 580 nm, 50 x 50 mm² LD
1 46831  4  Light filter, green LD
1 46884 Interference filter 435 nm, 50 x 50 mm² LD
1 44153  8  Screen, translucent LD
1 30011  4  Saddle base LD

Experiment Instructions

PDF (Experiment description) PDF (Experiment description) P5.3.3.1 Newton's Rings in transmitted monochromatic light
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