OPTIKA Planck’s Constant

OPTIKA Planck’s Constant

G1676453

Product code: G1676453

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A new spin on the classic method of calculating Planck's constant, this apparatus provides a simple and effective means of studying the photoelectric effect, gaining a good value for h, and exploring basic quantum mechanics. Comprising a phototube and control unit with built-in voltmeter and nanoammeter, the apparatus can be used with three LEDs of known wavelength (included) to learn about the relationship between the energy of emitted electrons and the wavelength of incident radiation. Planck's constant can then be calculated approximately using the Planck-Einstein relation.

The in-depth notes include explanations of a range of phenomena and theory associated with the photoelectric effect and Planck's work alongside the experimental methods.

Includes:

  • A phototube
  • 3 LEDs (green, red, and blue)
  • Control unit
  • Power supply
  • Comprehensive teacher guide.

Technical specifications:

  • Power supply: 24V d.c.
  • Voltmeter: 4 digits, sensitivity 2mV
  • Ammeter: 4 digits, sensitivity 5nA
  • Button to cut off current
  • LED light adjustment: 0-100%
  • Anodic tension adjustment

Dimensions:

  • Control station: 190mm x 130mm, 50 x 60mm
  • Phototube base 130mm x 180mm x 150mm, 50mm

Weight:

  • Control station: 370g
  • Phototube base: 560g
  • Atomic Physics & Radiation: Planck's Constant

Further Information

Age Recommended from
11 Years
Ammeter
4 digits
sensitivity 5nA
Brand
OPTIKA
Curriculum Link
Atomic Physics & Radiation
Key Stage Suitability
Key Stage 4+
LED Light Adjustment
0-100%
Power Supply
24V d.c.
Product Type
Planck's Constant Apparatus
Voltmeter
4 digits
sensitivity 2mV

Documents

-
+

A new spin on the classic method of calculating Planck's constant, this apparatus provides a simple and effective means of studying the photoelectric effect, gaining a good value for h, and exploring basic quantum mechanics. Comprising a phototube and control unit with built-in voltmeter and nanoammeter, the apparatus can be used with three LEDs of known wavelength (included) to learn about the relationship between the energy of emitted electrons and the wavelength of incident radiation. Planck's constant can then be calculated approximately using the Planck-Einstein relation.

The in-depth notes include explanations of a range of phenomena and theory associated with the photoelectric effect and Planck's work alongside the experimental methods.

Includes:

  • A phototube
  • 3 LEDs (green, red, and blue)
  • Control unit
  • Power supply
  • Comprehensive teacher guide.

Technical specifications:

  • Power supply: 24V d.c.
  • Voltmeter: 4 digits, sensitivity 2mV
  • Ammeter: 4 digits, sensitivity 5nA
  • Button to cut off current
  • LED light adjustment: 0-100%
  • Anodic tension adjustment

Dimensions:

  • Control station: 190mm x 130mm, 50 x 60mm
  • Phototube base 130mm x 180mm x 150mm, 50mm

Weight:

  • Control station: 370g
  • Phototube base: 560g
  • Atomic Physics & Radiation: Planck's Constant

Further Information

Age Recommended from
11 Years
Ammeter
4 digits
sensitivity 5nA
Brand
OPTIKA
Curriculum Link
Atomic Physics & Radiation
Key Stage Suitability
Key Stage 4+
LED Light Adjustment
0-100%
Power Supply
24V d.c.
Product Type
Planck's Constant Apparatus
Voltmeter
4 digits
sensitivity 2mV

Documents

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