Consists of a
plano-convex lens of 60mm diameter and 100cm focal length placed on a
circular plane glass plate of equal diameter. Both enclosed in a frame
with three compression screws for proper contact between lens and the
plate...
A set of optical accessories for
performing various experiments in reflection, refraction and colour. The
key element is a ray box which has a metal lamp housing 155x70x55mm
having an open front with finned sides to dissipate heat. It has four
apertures one to accommodate the slit plate and another three for
mounting colour filters. The two side apertures are fitted with hinged
plane mirrors. With metal plate having single and triple slits and
whitened on one side for use as returned image screen, 12V lamp and a
lamp holder.
To
illustrate motion of a movable current carrying conductor in a magnetic
field. A current of approximately 3A at 3-4V causes steady rotation of
star shaped wheel. With electromagnet but without mercury...