A photoelectric surface is illuminated successively by monochromatic light of wavelength λ and λ/2. If the maximum kinetic energy of the emitted photoelectrons in the second case is 3 times that in the first case, […]
Which of the following figures represent the variation of particle momentum and the associated de-Broglie wavelength?
The de-Broglie wavelength is given […]
A certain metallic surface is illuminated with monochromatic light of wavelength λ. The stopping potential for photoelectric current for this light is 3V₀. If the same surface is illuminated with light of wavelength 2λ, the […]
Which phenomenon best supports the theory that matter has a wave nature?
(a) Electron momentum (b) Electron diffraction (c) Photon momentum (d) Photon diffraction
Wave nature of matter […]
The threshold wavelength for photoelectric emission from a material is 4800 Å. Photoelectrons will be emitted from the material, when it is illuminated with light from a
(a) 40 W blue lamp […]
The maximum kinetic energy of emitted electrons in a photoelectric effect does not depend upon
(a) Intensity (b) Work function (c) Wavelength (d) Frequency
The maximum kinetic energy = […]