GATE PH · 2020 · PH
Question 37: Solid State Physics
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Question 37
PHMCQ2 marksNeeds review
Consider a two dimensional crystal with 3 atoms in the basis. The number of allowed optical branches (
) and acoustic branches (
) due to the lattice vibrations areYour answerChoose one option.
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2020PH
GATE PH 2020 · Paper 1
Physics · Original paper archive
- Section
- Physics
- Question type
- Multiple choice (MCQ)
- Marks
- 2 marks
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