NEET Physics Photon Photoelectric Effect X rays and Davison Germer Experiment MCQs

Question:  Photoelectric effect is the phenomenon in which a) which depends on the frequency and intensity of incident light wave. b) electrons come out of a metal with a constant velocity c) photons come out of the nucleus of an atom under the action of an electric…

NEET Physics Matter Waves Cathode and Positive Rays MCQs Set A

Question: A strong argument for the particle nature of cathode rays is that they a) get deflected by electric and magnetic fields b) cast shadow c) travel through vacuum d) produce fluoroscence Answer: get deflected by electric and magnetic fields Question: In…

NEET Physics Dual Nature of Radiation and Matter MCQs Set A

Question: A particle is dropped from a height H. The de-Broglie wavelength of the particle as a function of height is proportional to a) H–1/2 b) H0 c) H1/2 d) H Answer: H–1/2 Question: The wavelength of a photon needed to remove a proton from a nucleus which…