MSc Physics Entrance Exam solved Question Papers

[Kiran Chandar]

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Here I am giving you question paper for MSc Physics Entrance Examination in a PDF file attached with it so you can get it easily

2 kg of a liquid (specific heat = 2000 J K1 kg’. independent of temperature) is heated from 200 K to 400 K by either of the following two processes P1 and P2:
Pi: bringing it in contact with a reservoir at 400 K.

P2: bringing it first in contact with a reservoir at 300 K till equilibrium is reached. and then bringing it in contact with another reservoir at 400 K.

Calculate the change in the entropy of the liquid and that of the universe in processes Pi
and P,. Neglect any change in volume of the liquid. (


Intensity of three different light beams after passing through an analyzer is found to vary as
shown in the following graphs. Identify the option giving the correct states of polarization of
the incident beams from the graphs.

(A) Graph 1: Linear Polarization, Graph 2: Circular Polarization, Graph 3: Elliptic Polarization
(B) Graph 1: Circular Polarization, Graph 2: Linear Polarization, Graph 3: Elliptic Polarization
(C) Graph 1: Unpolarized, Graph 2: Circular Polarization, Graph 3: Linear Polarization
Q.4
(D) Graph 1: Unpolarized, Graph 2: Elliptic Polarization, Graph 3: Circular

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