Focal length of concave lens by telescope
Order Code: 55869
Category: Physics Trainers
55869 Experimental Set-Up has been designed specifically to determine the focal length of a concave lens by telescope using The relation. The set up is complete in all respect and requires no other apparatus. Practical experience on this set...
SPECIFICATION
- To determine the focal length of a concave lens by a telescope using the relation
- OPTICALBENCH : All metal having four metal riders. Two riders with transverse motion & two fixed and 1 meter ½" Round Graduated provided with leveling screws complete with two lens holder & one (Round Rode Type) needle one meter long.
- TELESCOPE (WITH STAND) : It is a hollow metallic tube carrying an objective lens at one end which is achromatic and provided with rack and pinion focusing arrangement and with a cross wire arrangement and eye place at other end. The eye piece used is of Ramsden type.
- DOUBLE CONVEX LENS : 50mm dia, focal length 25cm
- DOUBLE CONCAVE LENS : 50mm dia, focal length 40cm
- LENS HOLDER : 2 Nos.
- NEEDLE : 1 Nos.
- Strongly supported by detailed Operating Instructions, giving details of Object, Theory, Design procedures, Report Suggestions and Book References.
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