On a rainy day, small oil films on water show brilliant colors'. This is due to A. dispersion B. interference C. diffraction D. Polarization 49.The critical angle for a beam of light ... A. absorbed B. totally reflected C. Partially reflected and partially transmitted D. Totally transmitted Answer : C. Partially reflected and partially transmitted...
Which of the following phenomenon produces colors in soap bubble? (a) Interference (b) Diffraction (c) Polarization (d) Dispersion Answer : (a) Interference...
Which of the following does not support the wave nature of light A. Interference C. Polarisation B. Compton effect D. Diffraction Answer : B. Compton effec...
The interference in thin films is because (a) The film reflects some light (b) The film is thin enough so that refracted ray is close to reflected ray (c) The reflected ray undergo path change of λ/2 (d) All of above Answer : (d) All of above...
To observe interference in thin films with a light of wavelength λ, the thickness of the film (a) Should be much smaller than λ (b) Should be a few thousand times of λ (c) Should be of the order of λ (d) Should be of the order of nanometer Answer : (c) Should be of the order of λ...
50.5k questions
47.1k answers
240 comments
7.0k users
