The Davisson- Germer experiment is the direct evidence of
The Davisson- Germer experiment is the direct evidence of Options (a) particle nature of electrons (b) wave nature of electrons…
8 years ago
Questions
Photons of 5.5 eV energy fall on the surface of the metal emitting photoelectrons
Photons of 5.5 eV energy fall on the surface of the metal emitting photoelectrons on maximum kinetic energy 4.0eV. The…
8 years ago
The speed of an electron having a wavelength of 10⁻¹⁰ m is
The speed of an electron having a wavelength of 10⁻¹⁰ m is Options (a) 6.26x10⁶ m/s (b) 5.25 x10⁶ m/s…
8 years ago
Einstein’s photoelectric equation is
Einstein's photoelectric equation is Options (a) Emax=hν-φ (b) E=mc² (c) E²=p²c²+m₀²c⁴ (d) E=(1/2)mv² Correct Answer: Emax=hν-φExplanation:No explanation available. Be the…
8 years ago
The threshold wavelength for photoelectric effect of a metal is 6500 Å. The work function
The threshold wavelength for photoelectric effect of a metal is 6500 Å. The work function of the metal is approximately…
8 years ago
The de-Broglie wavelength of an electron is the same as that of a 50 KeV X-ray photon.
The de-Broglie wavelength of an electron is the same as that of a 50 KeV X-ray photon. The ratio of…
8 years ago
If the wavelength of incident light falling on a photosensitive material decreases,
If the wavelength of incident light falling on a photosensitive material decreases, then Options (a) photoelectric current increases (b) stopping…
8 years ago
When a charged oil drop moves upwards in an electric field,
When a charged oil drop moves upwards in an electric field, the electric force acting on the drop is Options…
8 years ago
The lowest frequency of light that will cause the emission of photoelectrons
The lowest frequency of light that will cause the emission of photoelectrons from the surface of a metal (for which…
8 years ago
The maximum kinetic energy of the photoelectrons depends only on
The maximum kinetic energy of the photoelectrons depends only on Options (a) Charge (b) frequency (c) incident angle (d) pressure…
8 years ago