Dual Nature of Matter and Radiation

Light of wavelength 500 nm is incident on a metal with work function 2.28 eV.

Light of wavelength 500 nm is incident on a metal with work function 2.28 eV. The de Broglie wavelength of…

A photoelectric surface is illuminated successively by monochromatic light of wavelength

A photoelectric surface is illuminated successively by monochromatic light of wavelength λ and λ/2. If the maximum kinetic energy of…

Which of the following figures represent the variation of particle momentum

Which of the following figures represent the variation of particle momentum and the associated de-Broglie wavelength? Options (a) (b) (c)…

A radiation of energy ‘E’ falls normally on a perfectly reflecting surface

A radiation of energy 'E' falls normally on a perfectly reflecting surface. The momentum transferred to the surface is (c=…

A certain metallic surface is illuminated with monochromatic light of wavelength

A certain metallic surface is illuminated with monochromatic light of wavelength λ. The stopping potential for photoelectric current for this…

If the kinetic energy of the particle is increased to 16 times its previous value

If the kinetic energy of the particle is increased to 16 times its previous value, the percentage change in the…

Which phenomenon best supports the theory that matter has a wave nature?

Which phenomenon best supports the theory that matter has a wave nature? Options (a) Electron momentum (b) Electron diffraction (c)…

The threshold wavelength for photoelectric emission from a material is 4800 Å.

The threshold wavelength for photoelectric emission from a material is 4800 Å. Photoelectrons will be emitted from the material, when…

If an electron and a proton have the same de-Broglie wavelength, then the kinetic

If an electron and a proton have the same de-Broglie wavelength, then the kinetic energy of the electron is Options…

The maximum kinetic energy of emitted electrons in a photoelectric effect

The maximum kinetic energy of emitted electrons in a photoelectric effect does not depend upon Options (a) Intensity (b) Work…