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GATE Physics 2013 Paper

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Question : 22

Total: 55

Group I contains elementary excitations in solids. Group II gives the associated fields with these excitations. MATCH the excitations with their associated field and select your answer as per codes given below.

Group I	Group II
(P)phonon	(i) photon+lattice vibration
(Q)plasmon	(ii) electron+elastic deformation
(R)polaron	(ii) electron+elastic deformation
(S)polariton	(iv) elastic wave

Codes

(P-iv),(Q-iii),(R-i),(S-ii)
(P-iv),(Q-iii),(R-ii),(S-i)
(P-i),(Q-iii),(R-ii),(S-iv)
(P-iii),(Q-iv),(R-ii),(S-i)

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