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Packing Efficiency: Simple Cubic Structures Video Lecture - Class 12

FAQs on Packing Efficiency: Simple Cubic Structures Video Lecture - Class 12

1. What is packing efficiency in the context of simple cubic structures?

Ans. Packing efficiency refers to the amount of space occupied by particles in a simple cubic structure. It is calculated by dividing the volume of the particles by the total volume of the unit cell.

2. How is the packing efficiency calculated for simple cubic structures?

Ans. The packing efficiency for simple cubic structures is calculated by dividing the volume of the particles (which is equal to the volume of a single particle) by the total volume of the unit cell.

3. What is the packing efficiency of a simple cubic structure?

Ans. The packing efficiency of a simple cubic structure is 52.4%, which means that only 52.4% of the total volume is occupied by particles. The remaining space is empty.

4. Why is the packing efficiency of simple cubic structures relatively low?

Ans. The packing efficiency of simple cubic structures is relatively low because the particles are arranged in a simple cubic lattice, with each particle only touching its eight nearest neighbors. This arrangement leaves a significant amount of empty space between the particles.

5. How does the packing efficiency of simple cubic structures compare to other crystal structures?

Ans. The packing efficiency of simple cubic structures is lower compared to other crystal structures, such as face-centered cubic (74%) and body-centered cubic (68%). These structures have higher packing efficiencies because they involve more efficient arrangements of particles, resulting in less empty space.

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