Sl.No.

Name of the Items with specification

Quantity

Remarks

1

Determination of Wave length of light by Fresnel’s Bi-prism method .Make: REL or Equivalent

1. Optical bench (bi prism assembly) ,( 150cm.

Prismatic Op. bench ) make : INCO , model : 4343P

2. Sodium vapour lamp(Philips)(35W) with ballast, ignitor and Housing – monochromatic source
3. Biprism & lens

LED Illumination (optional) Model: HO-HBL-HOLMARC) 3wattRED,/Yellow/BLUE/GREEN/WHITE with intensity cont power supply- used as monochromatic source.

2

2

Diode (BY127/IN4007 Make - Bel or Equivalent

100

3

Bridge rectifier expt. Make – REL or Equivalent

Diode: Half, full wave and bridge rectifier with filter semiconductor with 2 nos DPMs

Variable AC Source

2

4

Grating(100/200) Make – PO or equivalent

4

5

Grating(300/600) Make – PO or equivalent

1

6

Discharge Tube –Helium/Hg/Neon/Argon

---Do--- Hg(good quality

EHT source for discharge tube, Make-SES Roorkee or equivalent

2

7

Sp level

10

8

Mag glass

10

9

Decade Inductance Box 10uH - 1000 mH in 5 Decades

Make:Physitech Model: PHY-604 or equivalent

3

10

Double slit MAKE:DI or equivalent

2

11

Polariser & Analyser with devided circle , vernier to read 1 minute , fine adjustment Type No:4239A or equivalent

4

12

Lens system for Newton’s ring setup MAKE:DI or equivalent

3

13

3 position Make -DEVCO/SES or equivalent(Travelling Microscope)

2

14

Anchor Ring MAKE:DI or equivalent

2

15

Four probe crystal (Ge-chip) Make-SES or equivalent

3

16

DFP-02/03 Oven, Make -SES or equivalent

2

17

DFP-03 Four probe arrangement with temp sens Make-SES or equivalent

2