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ENTRANCE TEST – 2010 :: Discussion
| 65. | The distance between atoms is 0.30 nm. What will be the wavelength of X-rays at angle θ = 30o for 1st order diffraction? | |
| A. | λ = 0.60 nm | |
| B. | λ = 0.30 nm | |
| C. | λ = 0.20 nm | |
| D. | λ = 0.90 nm | |
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