Physics · Dual Nature of Radiation and Matter
An electron is accelerated through a potential difference of 50 V. Which one of the following statements is true for this electron? (Planck's constant = 6.63 × 10-34 J·s, mass of electron = 9.11 × 10-31 kg, charge of electron = 1.6 × 10-19 C)
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The associated de Broglie wavelength is about 300 nm, which corresponds to the visible region.
- 2The associated de Broglie wavelength is about 125 nm, which is of the order of Ultraviolet wavelengths.
- 3The associated de Broglie wavelength is about 170 nm, which is of the order of Infrared wavelengths.
- 4The associated de Broglie wavelength is about 0.173 nm, which is of the order of X-ray wavelengths.✓
Correct answer
The associated de Broglie wavelength is about 0.173 nm, which is of the order of X-ray wavelengths.
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