For a nickel crystal (interplanar spacing 0.091 nm)

PHYSICS · Single correct · A Level · Physics · Particles and radiation · Particles and radiation

Problem

For a nickel crystal (interplanar spacing 0.091 nm), determine the accelerating voltage required so that electrons produce a first-order diffraction maximum at a glancing angle of 50°. (a)

110\ \text{V}

(b)

61\ \text{V}

(c)

78\ \text{V}

(d)

254\ \text{V}

Related theory

Matter Waves
Dual Nature of Radiation and Matter
Wave nature of matter
Wave particle duality

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