Physics · Modern Physics
Electrons are accelerated by 344 volts and reflected from a crystal. The first reflection maximum occurs when the glancing angle is 30°. What will be the value of the interplanar spacing of the crystal? [Given h = 6.62 × 10-34 J·s, me = 9.1 × 10-31 kg]
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 10.06 × 10-10 m
- 20.66 × 10-10 m✓
- 31.66 × 10-10 m
- 42.66 × 10-10 m
Correct answer
0.66 × 10-10 m
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