Engineering Physics, Chemistry Laboratory Model Question Paper : www.vtu.ac.in Visvesvaraya Technological University

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LABORATORY EXPERIMENTS IN ENGINEERING PHYSICS
Sub Code : 10PHYL17/10PHYL27 IA

PART – A :
EXPERIMENTS :
1. Series & Parallel LCR Circuits.(Determination of resonant
frequency & quality factor)
2. I-V Characteristics of Zener Diode.(determination of knee voltage,
zener voltage & forward resistance)
3. Characteristics of a Transistor.(Study of Input & Output
characteristics and calculation of input resistance, output resistance
& amplification factor)

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4. Photo Diode Characteristics.(Study of I-V characteristics in reverse
bias and variation of photocurrent as a function of reverse voltage &
intensity)
5. Ultrasonic Interferometer (Measurement of velocity of sounds in
solids/liquids).
6. Dielectric constant (Measurement of dielectric constant).
7. Magnetic properties (Study of retentivity and coercivity by B-H
graph method).
8. Diffraction (Measurement of wavelength of laser / Hg source using
diffraction grating).
9. Planck’s constant (Using the principle of photoelectric
effect/LED’s).
10. Electrical Resistivity ( Determination of resistivity in semiconductor
by Four probe method).
11. Verification of Stefan’s law.
12. Determination of Fermi energy.(Measurement of Fermi energy in
copper)
13. Uniform Bending Experiment.(Determination of Youngs modulus
of material bar)
14. Newtons Rings.(Determination of radius of curvature of
planoconvex lens)

ENGINEERING CHEMISTRY LABORATORY
Sub Code : 10CHEL17/10CHEL27 IA Marks : 25

PART – A :
1. Potentiometric estimation of FAS using standard K2Cr2O7 solution
2. Colorimetric estimation of Copper
3. Conductometric estimation of an Acid mixture using standard
NaOH solution
4. Flame Photometric estimation of Sodium and Potassium in the given
sample of Water
5. Determination of pKa of a weak acid using pH Meter
6. Determination of Viscosity co-efficient of a given liquid using
Ostwald’s Viscometer.

PART – B :
1. Determination of Total Hardness of a sample of Water using
Disodium salt of EDTA.
2. Determination of CaO in the given sample of Cement by Rapid
EDTA method.
3. Determination of Percentage of Copper in Brass using standard
Sodium thiosulphate solution.
4. Determination of Iron in the given sample of Haematite ore solution
using Potassium dichromate Crystals by external indicator method.
5. Determination of COD of the given Industrial Waste water sample.
6. Determination of Total Alkalinity of a given Water Sample using
standard Hydrochloric acid.

References Books :
1) Laboratory manual in Engineering Chemistry Sudharani, Dhanpatrai
Publishing Company.
2) Vogel’s Text Book of Quantitative Chemical Analysis revised by
G.H.Jeffery, J. Bassett, J. Mendham and R.C Denney.

Scheme of Examination :
One experiment from Part- A and another from Part - B shall be set. Different
experiments may be set from Part- A and a common experiment from Part–B.