What is the exam pattern and passing mark for GTU Physics (3110011)?

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 3110011 Winter 2025 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 UniversityWinter 2025 examination

GTU 3110011 Physics Winter 2025 Question Paper & PDF

B.E. · Common Engineering · Semesters 1 and 2 · Subject code 3110011

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Total: 70 marks
To pass: 23 marks (33%)
Duration: 2.5 Hours 2:30 PM – 5:00 PM
Questions: 5 with internal choice

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11 of 25 questions on this paper were also asked in other years. 4 more are types of question GTU sets again with new data. Each is marked below with the years it appeared.See all 36 repeated 3110011 questions, most asked first

Q.1

14 Marks

(a)

3 marksSame type asked in 2 of 7 papers

The critical temperature for lead is 7.1 K. At 6 K the superconducting property disappears if it is subjected to a magnetic field of 4.67 * 10⁴ A/m. Find H0.

Also asked in Winter 2024 Q4a

(b)

4 marks

Explain properties Meissner Effect and Effect of magnetic field for Superconductors.

(c)

7 marks

Define superconductivity. Describe its use in Maglev and Josephson Junction.

Q.2

14 Marks

(a)

3 marksSame type asked in 3 of 7 papers

A hall of volume 1000 m³ is found to have a reverberation time of 2.5 s. If the area of the sound absorbing surface is 5000 cm², calculate the average absorption coefficient.

Also asked in Summer 2025 Q1b, Summer 2023 Q5a OR

(b)

4 marks

What is a wave? Describe Longitudinal and Transverse wave.

(c)

7 marksAsked in 2 of 7 papers

What is simple harmonic motion? Obtain its differential equation with graphical representation. Write equation for its potential energy and kinetic energy in terms of amplitude of a wave.

Also asked in Summer 2025 Q3a OR

(c)

7 marksAsked in 3 of 7 papers

What is damped harmonic motion. Solving its differential equation, obtain equation for its overdamped and underdamped conditions.

Also asked in Summer 2025 Q3c, Winter 2023 Q2c

Q.3

14 Marks

(a)

3 marks

Write equation of bending of beam and explain I shaped girders with advantages.

(b)

4 marks

A rectangular solid has dimensions 6 x 6 x 2 cm. A force of 0.2 N, applied tangentially to the upper surface, causes a displacement of 5 mm relative to the lower surface. Calculate the shearing strain, stress and rigidity modulus.

(c)

7 marks

State types of moduli of elasticity. Derive relation of Young’s modulus and modulus of rigidity.

(a)

3 marks

Define stress and strain. Give their equation and unit.

(b)

4 marks

Calculate the Young’s modulus in the cantilever depression method used. The length of the cantilever is 1 m which is suspended with a load of 150 gm. The depression is found to be 4 cm. The thickness of the beam is 5 mm and breadth of the beam is 3 cm.

(c)

7 marksAsked in 3 of 7 papers

What is twisting moment? Derive equation for twisting couple on a wire or shaft.

Also asked in Summer 2026 Q3c OR, Summer 2023 Q1c

Q.4

14 Marks

(a)

3 marks

What is the ratio of the stimulated emission to spontaneous emission at a temperature of 250 °C for the sodium D line?

(b)

4 marksAsked in 5 of 7 papers

Discuss properties of laser.

Also asked in Summer 2026 Q1a, Winter 2024 Q4b OR, Summer 2024 Q4a OR, Winter 2023 Q5b

(c)

7 marksAsked in 3 of 7 papers

Obtain relation between Einstein’s coefficients.

Also asked in Summer 2026 Q5c, Summer 2025 Q5c OR

(a)

3 marks

Write applications of Ultrasonic waves in various fields

(b)

4 marksAsked in 6 of 7 papers

List the properties of ultrasound.

Also asked in Summer 2026 Q2a, Summer 2025 Q2a, Winter 2024 Q3b, Summer 2024 Q3a, Winter 2023 Q3a

(c)

7 marksAsked in 5 of 7 papers

Discuss with suitable diagram the piezoelectric method for ultrasonic wave generation. State its advantages and disadvantages.

Also asked in Summer 2026 Q2c, Summer 2025 Q4c OR, Winter 2024 Q3c, Summer 2024 Q1c

Q.5

14 Marks

(a)

3 marksSame type asked in 2 of 7 papers

Find the maximum velocity and acceleration of a particle performing SHM of period 20 π s and amplitude 10 cm.

Also asked in Summer 2023 Q2b

(b)

4 marksAsked in 3 of 7 papers

Discuss acoustic grating method for finding velocity of ultrasonic waves in medium.

Also asked in Winter 2024 Q3c OR, Summer 2024 Q3c

(c)

7 marksAsked in 4 of 7 papers

What is destructive and non-destructive testing. Give difference between them.

Also asked in Summer 2026 Q3b OR, Summer 2024 Q3b OR, Summer 2023 Q4b OR

(a)

3 marksSame type asked in 3 of 7 papers

An Ultrasonic source of 0.07 MHz sends down a pulse towards the seabed which returns after 0.35 sec. The velocity of sound in water is 1800 m/s. Calculate the depth of sea and wavelength of pulse.

Also asked in Summer 2024 Q3c OR, Summer 2023 Q3a OR

(b)

4 marksAsked in 6 of 7 papers

Write note on applications of laser in engineering and medicine.

Also asked in Summer 2026 Q4a OR, Summer 2025 Q5b, Winter 2024 Q5b, Summer 2024 Q4a, Winter 2023 Q5a OR

(c)

7 marksAsked in 7 of 7 papers

Discuss Ruby laser for laser beam production with suitable diagram.

Also asked in Summer 2026 Q4c OR, Summer 2025 Q2c OR, Winter 2024 Q4c OR, Summer 2024 Q4c, Winter 2023 Q4c OR, Summer 2023 Q5c OR

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

Summer 202570 marks · 5 questions

Winter 202470 marks · 5 questions

Summer 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 (Winter 2025, 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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