Generally this light source is used for above Michelson Interferometer. Supplied with sodium vapour lamp transformer 35 W, sodium vapour lamp 35W & heavy metal box for sodium vapour lamp with electrical fing
A compact, fully solid state instrument produces an intense beam of light at a wavelength 635-670nm for red colour. This semiconductor diode laser is mounted in a simple mount. Supplied completely with power supply
Imported Laser tubes along with SMPS Power Supply are housed in thick powdered coated aluminium box. From the hole the laser beam comes out . Supplied with rectangular holder & heavybase
It is Ramsden eye piece with a plain glass plate held between lens and eye lens at 0 an angle of 45 . This item replaces the normal spectrometer eye piece when aligning the instrument
Either Philips or Osram make Sodium Vapour Lamp is supplied. This low pressure Sodium Vapour lamp works better than 99% of the visible output, concentrated in 5889 0 & 5895 A Spectra lines
Philips make Mercury Vapour Lamp is supplied. With a rated output of 80W, this source provides sufficient intensity for almost any experiment. With a good light source, student can invesgate energy levels using a spectrometers.
Made of polished acrylic 15 mm thick, the set is provided in a convenient storage box. Set consists of: rectangle (75mm sides), double convex lens and two double concave lenses with a focal length of about 10 cm, equilateral prism, and semi-circular block.
An economical and comprehensive set of equipment for ray optics and color experiments using magnetic-backed components that can be used on the whiteboard (included) or any installed steel (magnetic) board. Included a double ended light box contains a 12V/20W halogen lamp, a wall-mount AC adapter, one end carries a cylindrical lens and slots for mounting the three slit diaphragms for ray optics. The other end carries two adjustable mirrors and an open area for color mixing work using colored filters that fit into slots in the ray box, Seven transparent color filters, seven opaque color filters, Three slits, one rectangular acrylic block, one semicircular block, one right angle 90x45x45, One right angle 90x60x30, one equilateral prism, four plastic coated ring magnets, one double convex block, One mirror strip, one double concave lens, two magic alphabet card and one mirror holder. With instruction manual. The sizes of whiteboard supplied are approx. 580x390 mm.
A simple model to show the working of astronomical telescope, comprising a planoconvex lens diam. 38 mm FL 100 mm, mounted in a metal tube which slides in an outer tube of 400 x 42 mm, size, with a convex lens objective diam. 50 mm FL 500 mm, in case
On a wooden base, with a 1.5 meter scale, with six sliding bases. Each sliding the base is with an index mark, a brass pillar, and a locking screw, with following accessories:
One lamp house with a 230 V lamp.
One object screen, metal, white.
One lens holder for 38 mm diam. Lenses.
One receiving screen, metal, white, with a slot for a squared paper on reverse.
One object needle mounted in brass rod.
One plane mirror in a metal frame.
Each of these accessories is mounted on a 6 mm brass rod which fits into the pillars and is adjustable for height.
The bench has two steel rods, one of which is graduated in mm with heavy metal end supports with leveling screws with four metal slides that slide smoothly on the bench. Two of the slides have a transverse motion arrangement. Complete with two lens holders and two object needles.
LO-1013 -& Diffraction Object Holder & For supporting diffraction objects or any other item in 50 mm square mount. Rectangular metal frame with spring clips and a mounting rod.
Senior Polarimeter
Designed to accept the observation tube up to 220 mm in length. Its improved rotating half-shadow system at the front ensures perfect focus and clear definition. With angular glass scale 0-360�º, divided into degrees and reading up to 0.05�º with a micrometer. A sugar scale from 30�º to 120�º read up to 0.1 sugar degree. Supplied complete with two polarimeter tubes, 100 mm and 200 mm with dust cover.
For demonstrating the principle of the diffraction grating and the way in which its properties are dependent upon the number of lines per unit length. Comprises a card mount 90 x 40 mm approximately with three 16 x 9 mm apertures, each containing a diffraction grating replica. The gratings are of 100 lines/ mm. 300 lines/ mm and 600 lines/ mm, respectively, and are protected by cover glasses.
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