- (A) Nanotechnology enables opacity to transparency transitions in certain materials.
- (B) Insulators exhibit semi-conducting properties at the nano-scale.
- (C) Nanostructures improve strength and durability due to enhanced bonding.
- (D) No significant evidence supports dielectric transformation through nanomaterial rubbing.
| List-I (Size of Things) | List-II (Approximate Size) |
|---|---|
| (A) Size of atom | (I) 2.5 nm |
| (B) Size of Bucky ball (C60) | (II) 0.1 nm |
| (C) Size of CNT | (III) 1 nm |
| (D) Size of DNA | (IV) 2 nm |
| List-I (Name of Items) | List-II (Approximate Size) |
|---|---|
| (A) Diameter of Human Hair | (I) 1-10 nm |
| (B) Size of Quantum Dot | (II) 5 × 10-5 m |
| (C) Width of M CNT | (III) 50-100 nm |
| (D) Size of Virus | (IV) 2-4 nm |
| List-I (Concept) | List-II (Author) |
|---|---|
| (A) Concept of Carbon Nanotubes | (I) Richard Feynman |
| (B) Concept of Nanotechnology | (II) Sumio Iijima |
| (C) Discovery of Bucky ball (C60) | (III) Andero Geim |
| (D) Discovery of Graphene | (IV) Richard Smalley et al |
| List-I (Dimensions) | List-II (Materials shape) |
|---|---|
| (A) Quantum dot | (I) 3-dimensional |
| (B) Quantum Wire | (II) 2-dimensional |
| (C) Quantum Well | (III) 1-dimensional |
| (D) Micro-materials | (IV) 0-dimensional |