Home › CBSE Class 12 (Science) › Physics › Dual Nature of Radiation and Matter › Davisson and Germer fired slow electrons at a cr…
Davisson and Germer fired slow electrons at a crystal of which metal?
AZinc
BNickel
CCopper
DGold
Answer & Solution
Correct answer: B. Nickel
In 1927 at Bell Labs they used a crystalline nickel target and saw diffraction like that of X-rays.
Related questions
A Vienna team in 1999 showed matter-wave diffraction for which molecules?Davisson and Germer's electron experiment demonstrated what?An electron's de Broglie wavelength is comparable to the wavelength of which radiation?Why do everyday objects show no wave behaviour?A 0.12 kg ball moves at 20 m/s. Its de Broglie wavelength is about what?Two particles have equal kinetic energy, one four times as massive. Ratio of heavy to lighA proton and an alpha particle have equal speeds. What is λ(proton) : λ(alpha)?A particle's speed is doubled. By what factor does its de Broglie wavelength change?