Quick Answer: Newton's Ring Apparatus holds a plano-convex lens resting on a flat glass plate in a plastic frame, with three thumbscrews to adjust the pressure between the lens and the plate.
Last updated: October 2026
Key Features
Plano-convex lens resting on a flat glass plate
Plastic frame holds lens and plate together
Three thumbscrews adjust the pressure between lens and plate
Technical Specifications
Specification
Value
Lens
Plano-convex
Plate
Flat glass
Frame
Plastic
Adjustment
Three thumbscrews
About This Product
It is used to produce and study Newton's rings in the Light And Optics lab. Turning the thumbscrews changes the pressure between the lens and the plate, so the contact can be set before observation.
Frequently Asked Questions
Q1. How is the pressure between the lens and plate adjusted? By means of the three thumbscrews on the plastic frame.
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