GTU IMPORTANT QUESTIONS
These all questions are the most frequently asking in recent GTU exam papers. These all questions are according to new syllabus. This will truly help you to pass in exams.
PHYSICS
1.
What
are the characteristics of LASER? Describe the principle, construction and
working of Nd-YAG Laser with suitable diagrams.Also its applications.
2.
Derive
an expression for Claussius – Mosotti relation and explain the assumptions
involved.
3.
Discuss
in detail how the different properties of nonmaterial changes with reduction in
size. Describe Electric arc method of
CNT synthesis. Explain the Chemical Vapour Deposition method to synthesis the
CNT.
4.
Give
difference between step index fiber and graded index fiber.
5.
Write a short note on followings: i) Isotopic
effect ii) Meissner effect . Calculate the critical current for a
superconducting wire of lead having diameter 1mm at 4.2 K. Critical temperature
for lead is 7.18 K and H0= 6.5 ×104 A/m. 04 03 (b) 1. Discuss the properties of
LASER in detail.
6.
Give the properties of Ultrasonic waves.
Describe basic principle, construction and working of Piezoelectric method to
produce the ultrasonic waves.
7.
Discuss the properties of Superconducting
materials.
8.
Compare Type-I and Type-II Superconductors.
9.
The volume of a room is 1500 m3 . The wall area
of the room is 260 m2 , the floor area is 140 m2 and the ceiling area is 140 m
2 . The average sound absorption coefficient for the wall is 0.03, for the
ceiling 0.8 and for the floor 0.06. Calculate the average absorption
coefficient and the reverberation time.
10.
Define magnetic materials. Classify diamagnetic,
paramagnetic and ferromagnetic materials in detail giving their differences.
11.
What are the properties of metallic glasses?
Mention some important applications.
BASIC ELECTRONICS
1.
Write
about ideal operational amplifier with necessary circuit diagram and equations.
2.
Classify the types of Computer network?
Explain each one of them in brief.
3.
Describe
band pass active filter using Operational amplifier with necessary diagrams and
equations.
4.
Write
Short note on SR flip flop,D flipflop,J-KFF with circuit diagram and truth
table.
5.
Reduce
the given function using K-map. F(A,B,C,D) = ∑mi (1,3,5,7,8,9,13,14).
6.
Reduce
the given function using K-map, F= Sm(1,3,5,9,11,13)
7.
Explain digital control system with
necessary block diagrams
8.
State the need of modulation and what are
the other advantages of modulation in communication system?
9.
What is difference between in Microprocessor
and Microcontroller?
10. Define
Waveguide, Transmission lines and Antenna(i) Reflection (ii) Directivity (iii)
Isotropic (iv)Radiator.
11. For
the logic expression (i) Obtain the truth table. (ii) Name the operation
performed (iii) Realize this operation using AND, OR, NOT gates (iv) Realize
Same operation using only NAND gates
