Noted. This paper is in our queue now. Check back tomorrow.
We could not record that here. Email the paper name to hirenjsca@gmail.com and we will add it.
Transition temperature of mercury of mass number 202 is 4.20 K. Find the transition temperature of isotope of mercury of mass number 204.
What is de-Broglie wave? Write the equation of de-Broglie wavelength and mention the names of each quantity involved in the equation.
Find the force required to increase the length of a wire of 10⁻⁶ m² area of cross-section by 50 % whose Young’s modulus is 2×10¹¹ N/m².
Explain torsional pendulum in brief with suitable diagram and derive the equation of twisting couple per unit twist of a wire.
The volume of a room is 1500 m³. The wall area of the room is 250 m², the floor and the ceiling area is 150 m² each. The average sound absorption coefficient for the wall, floor and the ceiling are 0.25, 0.06 and 0.80, respectively. Calculate the average absorption coefficient and the reverberation time.
Derive the differential equation of simple harmonic motion, also write its general solution and obtain the equation of velocity and acceleration of simple harmonic oscillator.
A particle of mass 0.50 kg executes a simple harmonic motion. If it crosses the centre of oscillation with a speed of 10 m/s, find the amplitude of the motion. (force constant k = 50 N/m)
Explain the construction and working of piezoelectric method of ultrasonic wave production with suitable diagram.
In a Young’s double slit experiment, the two slits which are 0.5 mm apart are illuminated by the yellow light of wavelength 589.0 nm. Calculate the distance between two consecutive bright bands in the interference pattern observed on a screen 2 m away from the slits.
Write Schrodinger’s time independent wave equation and explain its each term. Also write Heisenberg’s uncertainty principle in terms of position and momentum.
Explain the formation of Newton’s rings with suitable diagram and derive the equation of radius of bright and dark rings produced by the interference of reflected light.
Define constructive and destructive interference with their condition in terms of path difference.
In He-Ne gas laser, Ne atoms emit laser photons of wavelength 632.8 nm while electrons make transitions from E3 state to E2 state. Find the energy difference between these two states. (h = 6.63×10⁻³⁴ J·s and c = 3×10⁸ m/s)
A ruby laser emits light of wavelength 694.3 nm. Calculate the frequency and the energy of the laser photons emitted. (h = 6.63×10⁻³⁴ J·s and c = 3×10⁸ m/s)
What is population inversion (draw suitable diagram)? Explain why it is necessary for the production of laser?
Questions repeat across sessions. Working through two or three papers shows you which topics GTU asks most.
BE Common
Send this paper to your class group. Every question has its own link.
Official Gujarat Technological University (GTU) examination paper for Physics (Summer 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.
BE01000021 Physics
Official GTU PDF · Summer 2025
The PDF could not be loaded from the university's website.
Open the PDF directly