Stopping potential for a metal surface in case of photoelectric emission depends on_____________? April 17, 2025 by admin A. the threshold frequency for the metal surface B. the intensity of incident light C. the frequency of incident light and work function of the metal surface D. all of the above
The existence of Ether wind was experimentally rejected by__________________? April 17, 2025 by admin A. equal to its rest mass B. double of its rest mass C. infinite D. zero
Select an alternative from of uncertainly principle from the following_______________? April 17, 2025 by admin A. ∆E = h/m∆c(1-cosθ) B. ∆E . ∆t = h C. mc2 = hv D. Any of above
If a material object moves with speed of light its mass becomes ________________? April 17, 2025 by admin A. equal to its rest mass B. double of its rest mass C. infinite D. zero
Rest mass of a photon is________________? April 17, 2025 by admin A. infinite B. zero C. very small D. 1.67 x 10-27 kg
Einstein’s photoelectric equation is given by_______________? April 17, 2025 by admin A. 1/2 mvmax2=hf+Φ B. 1/2 mvmax2-hf = Φ C. 1/2 mvmax2=hf-Φ D. All of above are correct
As the temperature of black body is raised the wavelength corresponding to maximum intensity________________? April 17, 2025 by admin A. shifts towards longer wavelength B. shifts towards shorter wavelength C. remain the same D. shifts towards longer as well as shorter wavelengths
The name of the photon for quantum of light was proposed by________________? April 17, 2025 by admin A. Ampere B. Plank C. Thomson D. Einstein
In Compton scattering, the change in wavelength is maxed if_______________? April 17, 2025 by admin A. The angle of scattering is 90° B. The angle of scattering is 60° C. The angle of scattering is 180° D. The angle of scattering is 0
Davison Germer experiment indicates__________________? April 17, 2025 by admin A. Interference B. Polarization C. Electron diffraction D. Refraction