90 cm Optical bench to study diffraction
Product Code : SCL-OS-12858
The 90 cm Optical Bench to Study Diffraction by Educational Instrument provides a controlled linear setup for studying the wave nature of light. Its 90 cm working length gives students enough distance to arrange optical accessories and observe diffraction patterns, image positions, or focused light on a screen.
This bench is suitable for physics practicals involving single-slit diffraction, grating diffraction, focal length measurement, and basic geometrical optics. It can be used with a lens holder, diffraction gratings, LED source, screen, and other compatible accessories used in Optical Sectional equipment.
Key Features
- 90 cm optical bench for diffraction, wave optics, and ray optics experiments.
- Helps align a light source, slit, grating, lens, and screen on one optical axis.
- Suitable for school, college, university, TVET, and STEM physics laboratories.
- Supports observation of diffraction patterns and light-spreading behaviour.
- Useful for focal length, image formation, refraction, and lens formula experiments.
- Compatible with standard optical accessories where mount sizes match.
- Designed for teacher demonstrations and supervised student practical work.
Technical Specifications
| Specification | Detail |
|---|---|
| Product Name | 90 cm Optical bench to study diffraction |
| Primary Keyword | 90 cm optical bench |
| Brand | Educational Instrument |
| Product Category | Physics Lab Equipment / Optical Sectional / Diffraction and Optical Bench Apparatus |
| Intended Users | Schools, colleges, universities, TVET labs, STEM labs, and physics educators |
| Working Length | 90 cm |
| Capacity | Not applicable; this is an optical alignment apparatus |
| Material | Bench rail, base, riders, and holders as per supplied model [confirm] |
| Included Components | Optical bench and supplied accessories as per selected configuration [confirm] |
| Compatible Accessories | LED light source, slit, diffraction grating, lens holder, screen holder, object pin, lenses, and mirror holder where applicable |
| Experiment Topics | Diffraction, wave optics, focal length, image formation, refraction, lens formula, and optical alignment |
| Standards / Certifications | No product-specific certification confirmed; do not claim ISO, CE, or other certification unless verified for this supplied model |
What's Included in the Kit
- 90 cm optical bench rail or base as per supplied model
- Sliding riders or carriers as per selected configuration [confirm]
- Lens holder, screen holder, slit holder, or grating holder if supplied [confirm]
- Protective packing for institutional supply
- Instruction sheet or experiment guide, if supplied with the selected version [confirm]
Applications / Uses
- Studying diffraction of light through a slit or grating.
- Observing diffraction maxima, minima, and pattern spacing on a screen.
- Using an LED light source for classroom optics demonstrations.
- Measuring focal length of convex lenses using object and image distance.
- Performing image formation and lens formula practicals.
- Comparing this model with Optical Bench Ordinary for longer or advanced optical setups.
How to Use the 90 cm Optical Bench to Study Diffraction
- Place the 90 cm optical bench on a clean, stable laboratory table.
- Mount the light source, slit, diffraction grating, lens, and screen using suitable riders and holders.
- Align all components so the light beam travels along the same optical axis.
- Adjust the slit, grating, and screen distance until a clear diffraction pattern appears.
- Record the screen distance, fringe spacing, grating position, or observation required by the experiment.
- Repeat the setup with different gratings, slit positions, or light-source conditions where available.
- Use the readings to discuss diffraction, wavelength relationship, optical alignment, or wave behaviour.
Safety note: Use bright lamps or laser sources only under teacher supervision. Never look directly into a laser beam, intense light source, or concentrated reflected light.
Care & Maintenance
- Keep the bench rail clean so riders move smoothly and remain aligned.
- Store lenses, gratings, slits, mirrors, and screens separately after use.
- Do not force sliding riders if they are loose, misaligned, or obstructed.
- Clean optical surfaces only with a soft lens cloth and store the apparatus in a dry cabinet.
Why Choose Educational Instrument
Educational Instrument manufactures and exports scientific laboratory instruments, lab experiment setups, science kits, mathematics kits, didactic models, and STEM models and kits. The brand supplies practical teaching apparatus for schools, colleges, universities, and training laboratories. Its product range supports physics, chemistry, biology, mathematics, and hands-on STEM education. The 90 cm Optical Bench to Study Diffraction is suitable for institutions that need a clear and practical apparatus for wave optics and diffraction demonstrations.
Frequently Asked Questions
What is a 90 cm optical bench used for?
A 90 cm optical bench is used to align optical components for physics experiments. It helps students study diffraction, focal length, image formation, refraction, and wave optics.
Can this optical bench be used to study diffraction?
Yes. The bench can be used to study diffraction when it is arranged with a suitable light source, slit or diffraction grating, and screen.
Is the 90 cm Optical Bench suitable for school laboratories?
Yes. It is suitable for senior school and college physics laboratories when used under teacher or laboratory supervisor guidance.
Does the bench include a diffraction grating?
The exact supplied components depend on the selected model. Confirm whether the diffraction grating, slit, screen, holders, and light source are included before final website upload.
Can this bench also be used for focal length experiments?
Yes. It can be used for focal length experiments by positioning an object, lens, and screen on the bench and recording the object and image distances.
Is any certification supplied with this product?
No product-specific certification is confirmed. Certification claims should be added only if verified documents are available for the supplied model.
For related optics and diffraction teaching apparatus, explore the Optical Sectional equipment category from Educational Instrument.
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