Engineering Physics SPPU Endsem Question Paper Nov 2023
All 9 questions from this SPPU endsem paper, as printed. Read them here or open the PDF.
- Subject code
- 107002
- Pattern
- 2019 pattern
- Exam
- Endsem
- Session
- Nov 2023
- Max. marks
- 70
- Time
- 2½ Hours
- Semester
- I/II
- Paper code
- [6178]-2
Printed for: F.E.
Instructions to the candidates
- Q. 01 is compulsory, Answer Q2 or Q3, Q4 or Q5, Q6 or Q7, Q8 or Q9.
- Neat diagrams must be drawn wherever necessary.
- Figures to the right indicates full marks.
- Use of Electronic pocket calculator is allowed.
- Assume suitable data, if necessary.
Questions
Q1
- [10]
Write the correct option with answer for the following (1 mark each). i) The de Broglie wavelength is ____ proportional to mass of the particle and _____ proportional to velocity of the particle
- a)
Directly, directly b) Inversely, inversely,
- c)
Directly, inversely d) Inversely, directly ii) If a wave function is finite, single valued, continuous and normalizable it is called as
- a)
Well behaved function b) Probability function,
- c)
Fermi function d) None of these iii) Heisenberg Uncertainty Principle is the product of ______ in position and momentum
- a)
Difference b) Uncertainties
- c)
Addition d) Subtraction 2 iv) In Hall effect, when a specimen caring current I is placed in transverse magnetic field B then electric field developed in specimen is _____________ to I and B
- a)
parallel b) intersect
- c)
perpendicular d) none of above v) The resistivity has unit ______
- a)
Ohm-m b) Ohm
- c)
This part has equations that don’t show as text. Open the PDF to read it.
- a)
Finite resistivity b) Infinite resistivity
- c)
Zero resistivity d) Zero conductivity vii) Superconductor is a perfect _______ material.
- a)
Insulator b) Semiconductor
- c)
Dielectric d) Diamagnetic viii) __________ materials are weakly attracted when placed in the external magnetic field
- a)
Paramagnetic material b) Diamagnetic material
- c)
Ferromagnetic materials d) Ferrimagnetic materials ix) A nanoparticle has dimensions in the range
- a)
This part has equations that don’t show as text. Open the PDF to read it.
- c)
1 to 10 nanometres d) Greater than 100 nm x) __________ testing is used to locate voids, cracks, flaws present inside the material
- a)
Destructive testing
- b)
- c)
- d)
Q2
- a)[6]
Derive Schrodinger’s time Independent wave equation.
Also asked:Feb 2026 ·Nov 2025 ·May 2025 ·Apr 2025 ·Nov 2024 ·Nov 2024 ·May 2024 ·May 2023 ·May 2022
- b)[5]
State and explain Heisenberg’s uncertainty principle.
Also asked:May 2025
- c)[4]
Calculate the energy difference between the ground state and first excited state of an electron in the rigid box of length 1 A°. 3
Also asked:May 2023
OR- a)
Q3
- a)[6]
Derive the equation for energy of the particle is enclosed in a one- dimensional rigid box (infinite potential well).
- b)[5]
State de Broglie hypothesis. Derive the equation of de Broglie wavelength for an electron accelerated by a potential difference “V”.
- c)[4]
This part has equations that don’t show as text. Open the PDF to read it.
- a)
Q4
- a)[6]
Explain classification of solids on the basis of Band Theory.
- b)[5]
Explain the working of PN junction diode in (a) forward bias (c) reverse bias on the basis of energy level diagram.
- c)[4]
This part has equations that don’t show as text. Open the PDF to read it.
OR- a)
Q5
- a)[6]
Explain Hall effect. Derive the equation of Hall coefficient.
Also asked:Feb 2026 ·Nov 2025 ·May 2025 ·Apr 2025 ·Nov 2024 ·May 2024 ·May 2023 ·May 2022
- b)[5]
Prove that in intrinsic semiconductor fermi level lies exactly at centre between valence band and conduction band.
- c)[4]
This part has equations that don’t show as text. Open the PDF to read it.
- a)
Q6
- a)[6]
Differentiate between type I and type II superconductors.
Also asked:Nov 2024
- b)[5]
Define the terms: i) Magnetic field strength (H) ii) Magnetization (M) iii) Magnetic Susceptibility ( ) iv) Magnetic Induction (B) v) Relative Permeability ( )
- c)[4]
Explain DC and AC Josephson effect in brief.
Also asked:May 2022
OR- a)
Q7
- a)[6]
Explain how the information is recorded and retrieved in magneto-optical recording devices.
- b)[5]
State and Explain Meissner effect. Show that superconductors exhibit perfect diamagnetism.
- c)[4]
Differentiate ferromagnetic materials and paramagnetic material. (Any two points) 4
- a)
Q8
- a)[6]
Explain Electrical and Mechanical properties of nanoparticles.
- b)[5]
Differentiate between Non-Destructive Testing techniques and destructive testing techniques.
- c)[4]
Explain the applications of Nano particles in Targeted Drug Dilivery.
OR- a)
Q9
- a)[6]
What is Non Destructive Testing? Explain Ultrasonic Testing Technique for flaw detection.
- b)[5]
Explain nano technology is used in, Automobile and electronics field.
- c)[4]
An ultrasonic pulse of frequency 130 kHz is sent through a block of steel. The echo pulse is recorded after 1.695 microseconds. If the velocity of ultrasonic in steel is 5900 m/s, calculate the thickness of the steel block and the wavelength of the pulse.
- a)