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Technical data

Lambert's law of radiation on optical base plate

Article no: P2240411
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Principle

Visible light impinges on a diffusely reflecting surface. The luminance of this surface is determined as a function of the angle of observation.

Benefits

  • Study the light intensity that a sheet of paper is diffusely reflecting
  • Learn about the different physical units associated with light
  • Very versatile optical base plate

Tasks

  1. The luminous flux emitted reflected by a diffusely reflecting surface is to be determined as a function of the angle of observation.
  2. Lambert's law (cos-law) is to be verified using the graph of the measurement values.

Learning objectives

  • Luminous flux
  • Light quantity
  • Light intensity
  • Illuminance
  • Luminance

Scope of delivery

Optical breadboard, optimized Damping 08751-00 1
YAG Laser green, 1 mW, 532 nm for component holder 08767-99 1
Adjusting support 35 x 35 mm 08711-04 2
Surface mirror 30 x 30 mm 08711-01 2
Magnetic foot for optical base plate 08710-00 1
Component holder 08043-00 2
Lens made of glass, biconvex, f = + 100 mm 08051-00 1
Universal Holder, rotational 08040-02 1
Rotational guide rail with angular scale 08717-00 1
PHYWE Universal measuring amplifier 13626-93 1
PHYWE Digital multimeter, 600V AC/DC, 10A AC/DC, 20 MΩ, 200 µF, 20 kHz, −20°C…760°C 07122-00 1
Connecting cable, 32 A, red, various lengths 07361-01 2
Accesory set for optical base plate 08750-50 1
Ring for component holder 08044-00 2
 
PHYWE Systeme GmbH & Co. KG
Robert-Bosch-Breite 10 – 37079 Göttingen – Germany
www.phywe.com
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