The set of acrylic blocks with the bottom surface finished 
in white to show the path of light through the block when 
used for experiments in refraction.

  

    

    Module
    

    Block Thickness
  
  

    

    A
    

      12.5 mm 
  
  

    

    B
    

      20 mm 
  

 
01	Set of 4

  

    

    S. No.
    

    Configuration
  
  

    

    a.
    

     Rectangle block, 70 x 50mm (l x b)
  
  

    

    b.
    

     45º triangle, hypotenuse 95mm
  
  

    

    c.
    

     60º  triangle, side length 53mm
  
  

    

    d.
    

     Semicircular block, diameter 78mm
  

 
02	Set of 7

  

    

    S. No.
    

    Configuration
  
  

    

    a.
    

     Rectangle block, 80 x 50mm (l x b)
  
  

    

    b.
    

     45º triangle, hypotenuse 91mm
  
  

    

    c.
    

     60º triangle, side length 65mm
  
  

    

    d.
    

     30º triangle, side lengths 43, 78, 89mm
  
  

    

    e.
    

     Semicircular block, diameter 79mm
  
  

    

    f.
    

     Biconvex block, length 62mm
  
  

    

    g.
    

     Biconcave block, length 62mm
  


 Individual perspex blocks are also available.