1 Light tube

2 Light tube support package

3 Intensity regulator of light source

4 Knob of potentiometer

5 Base of light tube support

6 Switch

7 Socket of electric source

8 Wire of light source

9 White screen

10 White screen support

11 Base of white screen support

Experimental Instrument for Tricolor Composition of Light Operating Instruction

 

Ⅰ Usage

   Experimental Instrument for Tricolor Composition of Light is used for the

   Student experiment in a junior middle school

Ⅱ Electric Source

   DC steady voltage source or four No.1 cells (R20); operating voltage 5.5~6.0V;

   Operating current 0.3A

Ⅲ Construction of the Instrument

   The instrument is a combined construction. It is mainly composed of three colored

   (red, green and blue)light tubes and their supports, light screen and its support ,luminous diode, light intensity adjustable circuit and wires, etc.