دستگاه حلقه های نیوتون(Apparatus for Newton's Rings)
Model 220401
Optic Experiments Equipment
Consisting of one plane glass plate and a plano-convex lens which are pressed against each other between metal rings by means of three screws. For this experiment needs a plane glass plate for partial reflector of light
Diameter of the plano-convex lens : 35 mm
Frame diameter : 65 mm
Stand rod length : 15 Cm× ۸ mm