What is the exam pattern and passing mark for GTU Physics (3110018)?

The GTU theory examination carries 70 total marks with a duration of 2.5 Hours. Minimum passing criteria is 23 marks (33%). The paper consists of 5 main questions with official marking breakdown and internal choices.

Where can I download the official GTU 3110018 Summer 2023 question paper PDF?

The official GTU question paper PDF is linked directly from Gujarat Technological University's official examination archive. You can view the full paper online or download the original file.

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Gujarat Technological UniversitySummer 2023 examination

GTU 3110018 Physics Summer 2023 Question Paper & PDF

B.E. · Common Engineering · Semesters 1 and 2 · Subject code 3110018

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Total: 70 marks
To pass: 23 marks (33%)
Duration: 2.5 Hours 10:30 AM – 1:00 PM
Questions: 5 with internal choice

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16 of 25 questions on this paper were also asked in other years. 1 more is a type of question GTU sets again with new data. Each is marked below with the years it appeared.See all 40 repeated 3110018 questions, most asked first

Q.1

14 Marks

(a)

3 marks

Define: Recombination and carrier generation

(b)

4 marksAsked in 4 of 7 papers

Differentiate: Spontaneous and Stimulated emission.

Also asked in Summer 2025 Q4a, Winter 2024 Q3a, Winter 2023 Q5b

(c)

7 marksAsked in 4 of 7 papers

Explain Energy Band Diagrams in solids with the necessary diagram.

Also asked in Winter 2025 Q1b, Summer 2025 Q1b, Summer 2024 Q4b OR

Q.2

14 Marks

(a)

3 marksAsked in 6 of 7 papers

State assumption of classical free electron gas theory.

Also asked in Summer 2026 Q1a, Summer 2025 Q2a, Winter 2024 Q5a OR, Summer 2024 Q3a OR, Winter 2023 Q1a

(b)

4 marksAsked in 4 of 7 papers

Differentiate: Direct and Indirect bandgap in semiconductors

Also asked in Summer 2025 Q4b, Winter 2024 Q1b, Summer 2024 Q5a

(c)

7 marks

Explain: Working of the p-n junction diode and state its applications.

(c)

7 marksAsked in 5 of 7 papers

Write a short note on DOS ( Density of State)

Also asked in Winter 2025 Q4c, Summer 2025 Q2c OR, Winter 2024 Q4c, Winter 2023 Q2c

Q.3

14 Marks

(a)

3 marks

State: Fermi function

(b)

4 marksAsked in 2 of 7 papers

Differentiate: Intrinsic and Extrinsic Semiconductor.

Also asked in Summer 2026 Q5a

(c)

7 marksAsked in 5 of 7 papers

Explain the working of solar cells with the necessary diagram.

Also asked in Summer 2026 Q4c, Winter 2025 Q3b, Summer 2025 Q1c, Winter 2023 Q4c

(a)

3 marks

Define: Ohmic junction

(b)

4 marksAsked in 4 of 7 papers

Explain: Exciton

Also asked in Winter 2024 Q3b, Summer 2024 Q5b, Winter 2023 Q4b

(c)

7 marksAsked in 6 of 7 papers

Write a brief note on Kronig-Penney Model.

Also asked in Summer 2026 Q3c OR, Winter 2025 Q1c, Summer 2025 Q2c, Winter 2024 Q1c, Summer 2024 Q1c

Q.4

14 Marks

(a)

3 marks

Define: Superconductivity and Transition temperature Tc

(b)

4 marks

Write down applications associated with SQUID.

(c)

7 marksAsked in 4 of 7 papers

Explain the Meissner effect and prove that superconductors are perfect diamagnetic.

Also asked in Summer 2026 Q5c, Summer 2025 Q5a, Winter 2024 Q5b OR

(a)

3 marks

Define: Absorption of Light

(b)

4 marksAsked in 5 of 7 papers

Explain: Hot Point probe measurements.

Also asked in Summer 2026 Q4a, Winter 2025 Q4a OR, Winter 2024 Q4b OR, Summer 2024 Q1b

(c)

7 marksAsked in 2 of 7 papers

Write a brief note on the density of electrons in the conduction band.

Also asked in Winter 2025 Q2c OR

Q.5

14 Marks

(a)

3 marksAsked in 2 of 7 papers

What do you mean by drift and diffusion current?

Also asked in Summer 2024 Q5a OR

(b)

4 marksAsked in 5 of 7 papers

Differentiate: Type I and Type II superconductors.

Also asked in Winter 2025 Q5a, Summer 2025 Q5b, Winter 2024 Q5a, Summer 2024 Q2b

(c)

7 marksAsked in 4 of 7 papers

Explain: Four Point Probe technique (for Bulk sample)

Also asked in Summer 2026 Q2c, Summer 2025 Q5c OR, Winter 2024 Q4c OR

(a)

3 marksAsked in 5 of 7 papers

State: Formula for Fermi`s Golden Rules.

Also asked in Winter 2025 Q5a OR, Summer 2025 Q3b OR, Summer 2024 Q5b OR, Winter 2023 Q4b OR

(b)

4 marksSame type asked in 3 of 7 papers

Calculate the critical current which can flow through a long thin superconducting wire of diameter 10⁻³ m. Given Hc=7.9 X10³ amp/m

Also asked in Summer 2026 Q4b, Winter 2023 Q5a

(c)

7 marks

Write a brief note on Visible Spectroscopy and state its applications.

More Physics papers

Questions repeat across sessions. Working through two or three papers shows you which topics GTU asks most.

Summer 202670 marks · 5 questions

Winter 202570 marks · 5 questions

Summer 202570 marks · 5 questions

Winter 202470 marks · 5 questions

Other Semester 1 subjects

BE Common

3110001

Chemistry

3110002

English

3110003

Programming for Problem Solving

3110004

Basic Civil Engineering

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About this paper

Official Gujarat Technological University (GTU) examination paper for Physics (Summer 2023, B.E. · Common Engineering, Sem 1). Features complete 70-mark regular & remedial examination pattern, official marking distribution across all 5 questions, and direct 1-click official PDF download.

Transcribed for student exam preparation from Gujarat Technological University official examination archives. Questions, syllabus guidelines, and curriculum marking schemes remain the intellectual property of Gujarat Technological University.

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