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GATE Physics 2013 Paper
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Question : 22 of 55
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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. Â
Codes
| 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 |
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