Optics

Wooden block 50 x 50 x 50 mm with slot to take rectangular mirrors.

To explore light reflection and refraction properties of concave and convex mirrors, laws of reflection, image formation, the effects of surface curvature on reflection, spherical aberration etc. Each mirror is securely held on a plastic base, diameter of the mirror is 95mm approx.

Clear glass, ground edges.

Wooden, with V shaped slot to take spherical lens or mirror up to 75 mm diameter, with index mark.

Brass dial head 40 mm diameter, divided and marked in 100 divisions, vertical scale 10-0-10 mm, fitted on tripod stand, distance between legs 40 mm.