Physics
The product is mainly composed of a bottom plate, a small motor, large (small)...
Ball diameter 23mm, plastic key, can be composed of diamond, graphite, sodium...
To observe several spectra: continuous spectrum, emission spectrum, absorption...
The total height of the product is 130mm, the width of the plastic base is 90mm,...
Product is made up of partial film, seized the polarizer，Disc diameter is not...
The product is composed of three base,two biconvex lens,one biconcave lens,...
Can demonstrate damped oscillation and amplitude oscillation phenomenon, the...
Consists of the same size transmitting device and receiving device.the...
The instrument can be used in the experiment of DC motor and AC / DC power...