NTA Abhyas 2020
- Exam
- NTA Abhyas
- Year
- 2020
- Subject
- Chemistry
- Chapter
- Solid State
NTA Abhyas 2020 · Chemistry · Solid State
The volume of atoms ( radiusr ) present in fcc unit cell of metal...
The volume of atoms present in fcc unit cell of metal is :
Options
- A
- B
- C
- D
Correct answer
D.
Step-by-step solution
Volume of atom in a cell \text{=}\dfrac{4}{3} {\text{\pi r}^{3} \text{\times}\text{N} \left(\text{N}\text{=}\text{4}\text{for}\text{fcc}\right)<br />=\dfrac{4}{3} \times \pir^{3} \times4 = \dfrac{16}{3}\pir^{3}