Question:
Diffusion in Solids occurs mainly due to
Diffusion in Solids occurs mainly due to
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Diffusion occurs from high concentration to low concentration and is mainly driven by concentration gradient.
Updated On: May 7, 2026
- Gravitational force
- Electric field
- Concentration gradient
- Magnetic field
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The Correct Option is C
Solution and Explanation
Concept:
Diffusion is the movement of atoms, ions, or molecules from a region of higher concentration to a region of lower concentration.
Step 1: In solids, atoms can move through vacancies, interstitial sites, or lattice defects.
Step 2: The driving force for diffusion is usually the difference in concentration between two regions.
Step 3: This difference is called concentration gradient. \[ \text{Concentration gradient}=\frac{dC}{dx} \]
Step 4: Particles move in such a way as to reduce this concentration difference. Therefore, diffusion in solids occurs mainly due to: \[ \boxed{\text{Concentration gradient}} \]
Step 1: In solids, atoms can move through vacancies, interstitial sites, or lattice defects.
Step 2: The driving force for diffusion is usually the difference in concentration between two regions.
Step 3: This difference is called concentration gradient. \[ \text{Concentration gradient}=\frac{dC}{dx} \]
Step 4: Particles move in such a way as to reduce this concentration difference. Therefore, diffusion in solids occurs mainly due to: \[ \boxed{\text{Concentration gradient}} \]
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