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Annexure I
Specifications of required equipment
1. Experiment on Gyroscope
Related topics: Dynamics (Newton’s laws, many particles, rigid body, conservation laws including moment
of inertia, angular momentum, conservation of angular momentum and
precession)
Apparatus required: (a) Gyroscope
Specifications:
• Upright shaft: 22 cm
• Horizontal axis: 54 cm
• Angular scale: 50° to 130°
• Gyroscope disk Mass: 1.6 kg Diameter: 23 cm
• Tare mass: 1 kg
• Supplementary mass: 50 g
• Total weight: 8 kg
(b) Stopwatch (a simple sports stopwatch)
(c) Weights with hook hanger (starting from 10ms to 250gms)
(d) Light barrier with Counter or Tachometer (If available, required for
measuring rotational speed of a wheel)
2. Spectrometer experiment (dispersion, refraction and double refraction)
Related topics: refractive index, diffraction
Apparatus required: (a) Spectrometer
Specifications:
I. The 360 fine graduated scale with every 10th line numbered and is fixed on rota-table
table, the collimator tube with slit fixed on base. The telescope fixed on table and movements is completely independent
and has lock screw and slow movement knobs, so that movement can be read with the help of
double verniers mounted at 180o to each other.
II. Telescope have rack & pinion focusing system and fitted with focus Ach. Objective,
10x eyepiece with cross hair.
III. Collimator have rack & pinion focusing system and fitted with focus Ach. Objective.
fine jaw adjustable slit.
IV. Prism table rotatable to 360o and adjustable in height and have 3 leveling screws.
Possible models:
• Model : SS-6 Spectrometer 6 scale with 1 minute verniers
• Model : SS-7 Spectrometer 7 scale with 30 sec. Verniers
• Model : SS-9 Spectrometer 9 scale with 20 sec. Verniers
Apparatus required: (b) Prism
(c) Grating
(d) Reading (Magnifying) lens
(c) Hand held lamp.
3. Bar Pendulum experiment
Related topics: Damped Harmonic oscillator & rigid body
Apparatus required: (a) Bar pendulum
Specialization : A chrome plated steel bar of dimension 100x3.75x0.6cm, with a
number of equidistant holes at equal intervals of 5cm. Provided with two
removable knife edges passing through any one of the holes and with wall
bracket.
(b) Wall support for hanging
(c) Stop clock
(d) Meter scale
4. Young's modulus experiment
Related topics: Elasticity, stress strain curve, elastic and plastic regions and breakdown
stress
Apparatus required: (a) Young's modulus apparatus
Specification:
I.
It comprises two metal frames connected by a link mechanism
carrying a spirit level. The wire under test is held in self centering
steel chucks capable of holding wires of 1.2 mm diameter (18
SWG). A micrometer head reading to 0.01 mm is needed for
readjusting the spirit level.
II. Ceiling bracket having itself a pair of chucks similar to
those on the frame, counter-poise weight and set of suitable
wires, without slotted masses.
(b) Screw-gauge
(c) Measuring tape
5. Capacitance experiment
Related topics: principle of capacitance and relationship between charge,
voltage and capacitance.
Apparatus required:
(a) Two circular, 20cm, metal plates mounted on a well
painted, metal base can be moved vertically. One can
move horizontally with respect to the other along the base
that has a scale graduated in mm, where spacers on one
plate prevent accidental short-circuits.
(b) Square sheets of four different materials included for
studying the effect of dielectric on capacitance.
(c) 9V battery (DC supply) .
6. Magnetic field due to circular coil
Related topics: Biot-Savarts’ law, simple applications
Apparatus required: (a) Steewart and Gee's tangent galvanometer with 2, 5, and 50 rounds.
(b) Two way reversing switch
(c) Plug key and connection wires
(d) DC power supply (0-12V), voltmeter and ammeter (if possible all in one).
7. Polarization experiment
Related topics: concept of polarization
Apparatus required: (a) He-Ne laser
Specifications:
Wavelength : 632.8nm
Working Current : 4mA ~ 6mA)
Output Power : > 2mW
Working Time : > 8 hrs.
Working Voltage : 220V AC, 50Hz
Input Power : <2 W
Dimension : 300x62x82 mm
Weight : 1.5 kg (approx.)
(b) Optical bench, 1.5m
(c)
Photo detector : Silicon photocell of 4mm safety socket and 1mm aperture
(d) Digital multimeter
Specifications:
Resistance : 200W, 2000W, 20k, 200k & 2000k W.
D.C.Voltage : 200 & 2000 mV
: 20, 200 & 600 V
A.C.Voltage : 200 & 600 V
D.C.Current : 200 & 2000 mA
: 20 & 200 mA
: 10 A
Testing : Diode & transistor
Battery : 9V
8. Heat conduction experiment
Related topics: Thermodynamics, internal energy, first law of thermodynamics, reversible
and irreversible operations, second law of
thermodynamics, entropy Heat transfer - conduction,
convection and radiation.
Apparatus required: (a) A junction between two dissimilar metals (iron and constantan)
(b) Heat and cold bath or reference region where temperature to be measured.
(c) Digital voltmeter
9.
Interference experiment (Newton rings & double-slit fringes)
Related topics: Interference & coherence
Apparatus required: (a) Newton Rings Microscope
Specifications: Model : SN-1
I. Horizontal measuring scale with micrometer 0.001cm,
rack & pinion focusing microscope tube with cross hair eyepiece.
II. Newton ring assembly consisting of plano-convex lens 100cm
FL and optically plane glass plate mounted in frame with presser
screws system, 45o adjustable plane glass for light.
10. Diffraction Experiment (Diffraction grating patterns)
Related topics: Interference & diffraction
Apparatus required: (a) Diode laser with power adapter
Specifications:
Peak Wavelength : 635nm
Operating voltage : 5V DC
Operating current : 250mA
Optical power : > 0.4-0.8mW
Laser product : Class II
Operating temp. : 0 - 40°C
Storage temp. : -10 to 50°C
(b) Optical bench with 0-100cm scale of 1mm least count
(c) Pin hole photo detector (Silicon photocell) of 1mm aperture
(d) Diffraction slide set
(e) Diffraction grating (15000 lines)