GTU IMPORTANT QUESTIONS

ENGINEERING PHYSICS(2110011)
       
Q-1
 Explain the characteristics of musical sound.

Q-2.
Discuss various factors affecting acoustics of building & give their remedies.

Q-3.
Discuss the principle & method of producing ultrasonic waves by magnetostriction method.

Q-4.
Discuss the principle & method of producing ultrasonic waves by piezoelectric method.

Q-5.
Explain the acoustics grating method of determining the velocity of ultrasonic waves in liquids.

Q-6.
Describe the construction & working of Nd: YAG laser with a suitable energy level diagram.

Q-7.

Difference between stimulated emission & spontaneous emission

Q-8
What do you mean by acceptance angle & numerical aperture? Derive expression for them.

Q-9
 List out the difference between single mode fibre & multimode fibre.

Q-10
 Explain the mode of propagation of optical fiber & index profile.

Q-11
 Explain meissner effect & prove that χ = -1 for superconductors.

Q-12.
Difference between type-I & type-II superconductors

Q-13
 Explain any one high temperature superconducting oxide.

Q-14
 Explain melt spinning technique to prepare metallic glasses.


Q-15.
Explain functional properties (i) shape memory effect (ii) superelasticity.

Q-16.
Explain (1) The pulse echo system and (2) ultrasonic flaw detector with advantages & limitations.

Q-17
What is nanoparticle? Explain size dependence effect in nanomaterial

Q-18.

Discuss in detail  (1) the quantum confinement (2) surface to volume ratio

Q-19
Explain the synthesis method of nano-material (1) Ball Milling (2) Sol-gel
Explain the properties, application and  types of carbon nanotube

Q-20
What is Noise pollution? Explain how to control noise in machine.

Q-21
Discuss briefly about sound absorbing materials.

Q-22 

The primary advantages of fibre-optics communication compared to metallic cable communication.
Q-23

Explain soft & hard magnetic materials.
Q-24

Explain hysteresis B - H curve
Q-25

Explain general properties of ferromagnetic materials & paramagnetic materials.
Q-26

Explain ferrites.
Q-27

Derive Clausius – mossotti Equation
Q-28 

Explain types of Dielectric material
Q-30

Explain Electrical polarisation mechanism.

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