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Crystal defects is an important topic in the Material Science and Technology section in CUET PG exam. Practising this topic will increase your score overall and make your conceptual grip on CUET PG exam stronger.
This article gives you a full set of CUET PG PYQs for Crystal defects with explanations for effective preparation. Practice of CUET PG Material Science and Technology PYQs including Crystal defects questions regularly will improve accuracy, speed, and confidence in the CUET PG 2026 exam.
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CUET PG PYQs for Crystal defects with Solutions
1.
The surface defects are two-dimensional defects, which have:
A. Grain boundaries
B. Tilt boundaries
C. Twin boundaries
D. Stacking boundaries
Choose the correct answer from the options given below:- A, B and C only
- A, C and D only
- A, B, C and D
- B, C and D only
2.
Vacancies of the crystal may arise due to:- thermal vibrations
- optical vibrations
- quantum vibrations
- vacuum fluctuations
3.
Which statements are correct for edge dislocation?
A. An edge dislocation moves in the direction of the Burger vector.
B. An edge dislocation involves an extra row of atoms above the slip plane.
C. An edge of the atomic plane is formed internal of the crystal.
D. The Burger vector of an edge dislocation is parallel to the dislocation line.
Choose the correct answer from the options given below:- A, B and D only
- A, B and C only
- A, B, C and D
- B, C and D only
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