Top 20 Questions of BT (B-TECH 1st-2nd)
Most Repeated Questions
Top 20 Questions of Biotechnology
Previous year question paper with solutions for Top repeated questions of Biotechnology
PTU • B-TECH • 1st-2nd
Browse Top 20 questions of BT (B-TECH 1st-2nd) previous year question papers for Top repeated questions of Biotechnology. This page helps BT students find semester-wise papers for revision, exam practice, and understanding previous exam patterns. These are the top twenty repeated questions identified from previous year papers for BT (B-TECH 1st-2nd), helping students focus on the most frequently asked topics.
Top repeated questions
Top 20-
1.
Discuss hard and soft magnetic materials with applications.
Appeared 2 times
Appeared in: May 2023, Dec 2020
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2.
Give a qualitative explanation of the BCS theory of superconductors.
Appeared 2 times
Appeared in: May 2023, Dec 2020
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3.
1 (i) In an experiment, tungsten cathode has a threshold wavelength 24006 is irradiated by ultraviolet light of wavelength 18006. Calculate the maximum energy of emitted photo-electrons.
Appeared 1 times
Appeared in: May 2023
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4.
1 (j) What do understand by a quantum well?
Appeared 1 times
Appeared in: May 2023
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5.
Describe the construction and working of He-Ne Laser with proper energy level diagram. Explain the role of Neon atoms in He-Ne Laser.
Appeared 1 times
Appeared in: May 2023
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