The PHYWE Rutherford Experiment with MCA (Phywe Article No. P2522115) is a complete university-level nuclear physics apparatus that recreates Ernest Rutherford’s 1908 Nobel Prize-winning alpha-particle scattering experiment – the discovery that established the modern model of the atomic nucleus.

Using a semiconductor alpha detector with a detection probability of 1 and virtually no zero effect, students measure how alpha particles from a 370 kBq Am-241 source scatter off thin gold and aluminium foils, then compare the measured particle rates to the values predicted by Rutherford’s scattering equation. The Chadwick-style backscattering geometry inside a transparent glass vacuum chamber allows the scattering angle to be varied continuously from roughly 20 degrees to 145 degrees by shifting the foil and source along the chamber axis. The combination of multichannel analyser (MCA), preamplifier and alpha detector produces precise pulse-height spectra and clean counting statistics across the full angular range.

Experiment tasks:
– Measure particle rates at scattering angles between about 20 and 90 degrees and compare the measurements to the rates calculated from Rutherford’s theory.
– Measure particle rates for gold and aluminium foils at identical scattering angles and compare the ratio to Rutherford’s prediction.

Learning objectives: scattering, angle of scattering, impact parameter, central force, Coulomb field, Coulomb forces, Rutherford atomic model, and the identity of atomic number and nuclear charge.

Recommended for grades 10-13 and university physics laboratories. Experiment time: approximately 45 minutes. Difficulty: advanced. Software included; computer not provided. The radioactive Am-241 source is export-controlled – an End Use Certificate must be obtained before delivery.

Scope of delivery: PHYWE Multichannel Analyser (MCA) 13727-99; measure Software multi channel analyser 14452-61; Alpha detector 09100-00; Annular diaphragm with gold foil 09103-02; Annular diaphragm with aluminium foil 09103-03; U-magnet, U-shaped, limb length 130 mm, colored poles 06320-00; Radioactive source Am-241, 370 kBq 09090-11; Pre-amplifier for alpha detector 09100-10; Diaphragm pump, two stage, 220V 08163-93; Tubing connector Y-shape, ID 6-7 mm 47518-02; Pinchcock, width 20 mm 43631-20; Screened cable BNC, l = 1 m 07542-11 (qty 3); Vacuum gauge DVR 2 pro, 1 … 1000 hPa 34171-00; Vacuum tube NBR, 6/14 mm, 1 m 39289-00 (qty 2); Container for nuclear physics experiments 09103-00.

Item P2522115

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Big protection in a smaller fit. These junior lab safety goggles are sized specifically for younger students, delivering the same reliable eye protection as full-size goggles without the bulk or discomfort. A perfect fit for elementary and middle school classrooms, with clear visibility and a secure adjustable strap.

Item 9218-22

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Maximum coverage, all-day comfort — and certified to back it up. These full-size lab safety goggles meet ANSI Z87.1-2020 standards, delivering professional-grade eye protection for classroom and laboratory settings. A wraparound design, distortion-free lens, and adjustable elastic strap make them the go-to choice for active learning environments.

Item 9218-11

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This Dissection Pan comes without Wax, 11.25 X 7.5 X 1.5″ (28.58 X 19.05 X 3.81 cm). It’s a perfect tool for any lab!

Item 1091-01

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The J-Hook Platinum Electrode is a specialized type of platinum electrode with a distinctive J-shaped configuration. Made from premium platinum material, this electrode design serves specific purposes in electrochemical experiments. Its shape allows for precise positioning, making it useful for applications where accurate electrode placement is crucial. The platinum construction ensures excellent conductivity and durability, suitable for various research needs, including electrochemical analysis and materials research.

Item 3151-50

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This bulb socket with base is colored white. It has a 6” AC adapter that is connected to it, with an on/off switch located on the card. the socket is small and compact. It is suitable for light bulbs up to 150w each.

Fits general service bulbs (Model A19)

Item 3163-06

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This foldable meter stick shrinks down considerably and can be folded multiple times, making it far easier to store than regular meter sticks while still functioning in the exact same manner.

It is double-sided, featuring both the US and Metric measurement systems, which enhances its versatility for a wide range of users. Its compact design does not compromise on durability, ensuring that it remains a reliable tool for accurate measurements over time. Additionally, its innovative folding mechanism allows for quick and easy expansion to a full meter and equally swift retraction, simplifying both usage and storage.

Item 6112-10

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This mini-motor demonstrates how motors work in an easily visible position, allowing students to visualize and comprehend the mechanics behind motor operation and imagine how motors are actually applied and used in the real world. By connecting it to a circuit, observers can watch it in action, providing a hands-on learning experience that bridges the gap between theoretical knowledge and practical application.

The design encourages curiosity and exploration, making it an ideal educational tool for classrooms and individual learning environments. Moreover, it serves as a foundational step for students to understand the broader implications of motor technology in everyday devices and industrial machinery.

Item 3167-12

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Enhance your understanding of solar physics with this detailed Solar Spectrum Educational Poster. This informative poster vividly illustrates the range of electromagnetic waves emitted by the Sun, from ultraviolet to infrared, with a focus on the visible light spectrum. Prominent Fraunhofer lines, representing the specific wavelengths absorbed by various elements, are clearly marked, helping you explore the fascinating interactions between sunlight and different gases.

Key Features:

• Comprehensive depiction of the solar spectrum, including visible, ultraviolet, and infrared light
• Clear marking of Fraunhofer lines with corresponding elements and wavelengths
• Detailed explanations of the absorption spectrum and its significance in identifying elements in the Sun’s atmosphere
• Ideal for educational settings, science enthusiasts, and anyone interested in solar phenomena
• Measures 18″ x 28″

Perfect for classrooms, laboratories, and home study areas, this poster is an essential tool for anyone eager to delve into the intricacies of solar spectroscopy.

Item SOL-01

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The miniature fan not only adds a dynamic visual element to any circuit but also serves as a practical demonstration of how circuits can power mechanical devices. Its rapid rotation is not just a spectacle but a tangible example of the principles of electromechanics in action. Connecting it to a circuit brings the excitement of real-world engineering applications to life, making it an invaluable tool for both education and hobbyist projects. The fan’s inclusion in circuits can also spark interest in the exploration of aerodynamics and cooling systems, broadening the scope of learning and experimentation.

Item 3167-15

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Elevate your weather monitoring with our 4-in-1 Handheld Anemometer. It delivers precise wind speed (0~30m/s) and temperature (-10°C ~45°C) readings with ±5% accuracy. Versatile and compact, it suits classroom research, drone pilots, HVAC techs, sailors, and more. The backlit LCD screen displays readings in multiple units, with a MAX mode and data memory function. Durable and portable, it comes with a protective case. This digital anemometer will truly enhance your weather/wind measurements!

Item 6577-01

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This battery tester is small and lightweight making it effortlessly portable. Featuring a user-friendly analog display, this device employs a color-coded, calibrated scale to swiftly determine your battery’s condition. It indicates “good” (green), “low” (yellow), or “replace/recharge” (red) status without requiring any batteries itself. This versatile battery checker is compatible with a wide range of standard and rechargeable household batteries, including AA, AAA, C, D, 1.5V, 9V, and button cells.

Item 1230-30

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This melting point measurement kit makes it straightforward and easy to determine melting points up to 230°F. The kit includes an aluminum testing block with a slanted 7mm hole and a partial immersion alcohol thermometer. To use, simply sprinkle the material on top of the block, insert the thermometer into the hole, and heat the block from below using a Bunsen burner or other heat source. As soon as the material starts to melt, read the thermometer to get the melting point.

The thermometer is designed with contrasting colors for easy readability and features a yellow capillary. It has a dual scale, showing temperatures from -20°C to 110°C (in 1°C increments) and 0°F to 230°F (in 1°F increments). The aluminum block measures 50mm L x 63mm W, and the thermometer is 12″ (300 mm) long.

Please note that a support stand, support ring, and Bunsen burner are required but not included in the kit.

Features:

Easy and simple melting point measurement up to 250°C
Aluminum testing block with a slanted 7mm hole
Partial immersion alcohol thermometer with contrasting colors for easy readability
Yellow capillary thermometer
Dual scale: -20°C to 110°C (1°C increments) and 0°F to 230°F (1°F increments)
Aluminum block dimensions: 50mm L x 63mm W
Thermometer length: 12″ (300 mm)
Requires support stand, support ring, and Bunsen burner (not included)

Item 3265-00-T

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Dive into the world of circuitry with our Electricity Set, designed for budding engineers and enthusiasts of all ages.

Perfect for educational settings, hobby projects, or introductory robotics courses, this kit provides everything needed to build, experiment, and innovate. Get hands-on experience with fundamental electronics and bring your imaginative designs to life. Ideal for students, hobbyists, and anyone eager to explore the exciting world of technology!

This versatile kit includes:

• Five Colorful Propellers: green, pink, blue, yellow, and red, with 2 different blade configurations
  
• Wires: A set of vibrant, multi-colored wires for easy circuit connections
  
• Assorted Switches: Various types of switches for diverse control applications
  
• Light Bulbs and Holders: Four mini light bulbs with compatible holders to add some light to your project
  
• Electric Motors: Two compact motors to power your creations.
  Battery Holders: Dual AA battery holders to energize your circuits
  
• Buzzer: An audio component to add sound effects

Item 1113-11

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This bell works perfectly in a circuit powered by a single AA battery. This allows a circuit to have a unique audio component that isn’t always showcased. It works in any series or parallel circuit.

Item 3167-14

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