Kerala PSC Previous Years Question Paper & Answer
Page:2
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'RANGE FOREST OFFICER ' And exam conducted in the year 21. And Question paper code was '056/21'. Medium of question paper was in Malayalam or English . Booklet Alphacode was 'A'. Answer keys are given at the bottom, but we suggest you to try answering the questions yourself and compare the key along wih to check your performance. Because we would like you to do and practice by yourself.
നന്ന
056/21
21. Explain the principle and working of pile of plates.
22. What is the significance of V number ? Obtain its expression. (7
23. Show that it is not possible ta have a two level laser system (10 Marks)
24. Explain Young's modulus and show that a shear is equivalent to a compression and extension. (10 Marks)
25. What is Meissner effect ? Also explain type | and type || superconductors. (10 Marks)
26. Explain the classical theory of Raman Effect. Why stokes lines are more intense than anti-stokes lines ?
(10 Marks)
27. If you are given two pieces of ice blocks how will you join them. Explain it on the basis of
Clausius-Clapeyrons equation. (10 Marks)
28. Explain length contraction in special theory of relativity. (10 Marks)
29, Whatis electric potential ? Show that it can be expressed as the line integral of electric field, (10 Marks)
30. Explain the concept of ensembles. What are the different types of ensembles ? (10 Marks)
31.
32.
Derive one dimensional time dependent Schrodinger equation for a particle moving in free space.
(10 Marks)
Obtain the expression for the voltage gain of a negative feedback amplifier and show that how it
improves the gain stability. (10 Marks)