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                         On 9th May we advised that "Due to Trump's tariffs all Vernier prices are going up by 10% as new stock arrives so buy NOW".  With the lower tariffs announced on the 12th May we can advise that all Vernier prices are only going up by 5% as new stock arrives.  Gosh I hope there are no more changes of undies!!       Due to foreign exchange and freight costs many Molymod products will or have already increased in price.
                         On 9th May we advised that "Due to Trump's tariffs all Vernier prices are going up by 10% as new stock arrives so buy NOW".  With the lower tariffs announced on the 12th May we can advise that all Vernier prices are only going up by 5% as new stock arrives.  Gosh I hope there are no more changes of undies!!       Due to foreign exchange and freight costs many Molymod products will or have already increased in price.
                         On 9th May we advised that "Due to Trump's tariffs all Vernier prices are going up by 10% as new stock arrives so buy NOW".  With the lower tariffs announced on the 12th May we can advise that all Vernier prices are only going up by 5% as new stock arrives.  Gosh I hope there are no more changes of undies!!       Due to foreign exchange and freight costs many Molymod products will or have already increased in price.
                         On 9th May we advised that "Due to Trump's tariffs all Vernier prices are going up by 10% as new stock arrives so buy NOW".  With the lower tariffs announced on the 12th May we can advise that all Vernier prices are only going up by 5% as new stock arrives.  Gosh I hope there are no more changes of undies!!       Due to foreign exchange and freight costs many Molymod products will or have already increased in price.
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IEC Photo-Electric Effect - Planck's Constant Apparatus

Order code: AP2341-002
Purchase QTY: (Each) 1+
Base price   $704.10
Scientrific's price   $687.00
Educational special   $634.00
Note: Prices do NOT include GST or freight

IEC PHOTOELECTRIC EFFECT AND PLANCK'S CONSTANT
A well-designed instrument with two digital meters to simultaneously indicate both the current through the internal photo-cell and the backing voltage applied to the cell.

Experiments can be performed in the following areas:
• Photo Electric Effect - that light can create an electric current
• Illumination / Current relationship - that current changes with luminous intensity
• Energy of a Photon - that a photon can drive an electron from a surface
• Planck’s Constant - the amazing relationship between energy and wavelength
• Energy Distribution - where the energy is expended

Features:
• Dual meters permit the “backing voltage” and the photo-cell current to be viewed together without requiring the switching from one to the other
• Removal of two selection switches makes readings quicker and less confusing
• Select nanoamps or microamps as the current range for some of the experiments

Included
• Photo-Electric Effect instrument
• 9V battery type #216
• One 12V, 25W QI 2 pin light bulb
• 5 x Colour filters calibrated in nanometres wavelength.
• 4 x Apertures of 7mm, 10mm, 14mm and 20mm diameters
• One test sheet
• Experiment sheets

User ManualIEC Photoelectric Effect

NOTE: This is a genuine IEC product.
We believe in supporting Australian industry and only sell genuine IEC products, we do NOT sell imported clones of IEC products.


Dimensions
  • Product size: (HxWxD): 110x272x160mm
  • Weight: 1.3kg

    Last edited 20th Mar 2025

    This product is used in teaching these Australian Curriculum codes:
    ACSPH137 - Revolutions in modern physics - Quantum theory - A wide range of phenomena, including black body radiation and the photoelectric effect, are explained using the concept of light quanta
    ACSPH138 - Revolutions in modern physics - Quantum theory - Atoms of an element emit and absorb specific wavelengths of light that are unique to that element; this is the basis of spectral analysis
    ACSPH136 - Revolutions in modern physics - Quantum theory - On the atomic level, electromagnetic radiation is emitted or absorbed in discrete packets called photons; the energy of a photon is proportional to its frequency; and the constant of proportionality, Planck’s constant, can be determined experimentally (fo

    Click a curriculum code to see other products that relate.

     
    Accessories / Spare Parts:From
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    Documents:
    CatalogueScientrific April 2025 Mini Catalogue
    CatalogueVernier 2025 K-12 Catalogue
    CatalogueVernier 2025 University Catalogue
    ExperimentMP41A Photoelectric Effect
    ExperimentPhotoelectric Effect
    User ManualIEC Photoelectric Effect

    Note: Prices do NOT include GST or freight