Question:
Which of the following is applicable to thin film?
Which of the following is applicable to thin film?
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A thin film is confined in one direction only, so it is two dimensional.
Updated On: Oct 1, 2026
- One dimensional nanostructure
- Zero dimensional nanostructure
- Two dimensional nanostructure
- Three dimensional nanostructure
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The Correct Option is C
Solution and Explanation
Step 1: Understanding the Concept
Nanostructures are classified by how many dimensions are NOT confined to the nanoscale (below 100 nm).
Step 2: Detailed Explanation
A thin film has nanometre thickness but is large in length and width. Only one dimension is confined, so electrons move freely in two dimensions. It is a two dimensional (2D) nanostructure.
Nanowires and nanotubes are one dimensional, quantum dots and nanoparticles are zero dimensional, and bulk materials are three dimensional.
Final Answer:
A thin film is a two dimensional nanostructure, option (C). \[ \boxed{\text{Two dimensional}} \]
Nanostructures are classified by how many dimensions are NOT confined to the nanoscale (below 100 nm).
Step 2: Detailed Explanation
A thin film has nanometre thickness but is large in length and width. Only one dimension is confined, so electrons move freely in two dimensions. It is a two dimensional (2D) nanostructure.
Nanowires and nanotubes are one dimensional, quantum dots and nanoparticles are zero dimensional, and bulk materials are three dimensional.
Final Answer:
A thin film is a two dimensional nanostructure, option (C). \[ \boxed{\text{Two dimensional}} \]
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