Uttarakhand Board Class 12 Dual Nature of Matter — practice questions
4 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice Uttarakhand Board Class 12 Dual Nature of Matter in the app →Doubling the intensity of incident light on a metal plate above threshold frequency changes:A metal has work function $2$ eV. Incident light of frequency $1\times 10^{15}$ Hz gives max KE (using $h = 4.An electron of momentum $p = 6.626\times 10^{-24}$ kg m/s has de Broglie wavelength:The Davisson-Germer experiment scattered electrons off a nickel crystal and observed: