|| - PHYSICS 1ST SEMESTER B TECH KTU IMPORTANT PREVIOUS QUESTIONS FOR KTU STUDENTS [FIRST YEAR] | QUESTION BANK

APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY

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 1ST SEMESTER B TECH KTU IMPORTANT PREVIOUS QUESTIONS

20. Electrons cannot be occupied inside the nucleus. Justify the statement with proof.

21. Write any 5 applications of ultrasonic waves.

22. Derive Sabin’s formula for reverberation time and explain its importance.

23. Distinguish between spontaneous ans stimulated emission.

24. Draw and explain the V-I characteristics of a phototransistor.


25. Derive the expression for fundamental frequency of transverse vibrations in a stretched string.

26. Explain the action of a plane transmission grating. Derive the grating equation.

27. Distinguish the construction and working of Nicol prism.

28. Obtain Schrodinger’s time dependent equation.


29. How is magnetostriction effect used to produce ultrasonic waves?

30. Explain the factors affecting acoustics of a building. How can we rectify these factors while constructing a building?

31. Explain with necessary theory the working details of any four-level laser.

32. What is the principle of fiber optic cable? Derive an expression for numerical aperture.

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