Find the potential difference in volts that must accelerate an electron from rest so…

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

Problem

Find the potential difference in volts that must accelerate an electron from rest so that its de Broglie wavelength becomes

0.40\,\text{\AA}

. (a)

600\,\text{V}

(b)

1900\,\text{V}

(c)

950\,\text{V}

(d)

830\,\text{V}