The blue colour of the sky is due to___________________?
In an interference pattern______________________?
In Young double slit experiment, if white light is used____________________?
When crest of one wave falls over the trough of the other wave this phenomenon is known as________________?
Which one of the following is nearly monochromatic light ?
A point source of light placed in a homogeneous medium gives rise to ___________________?
Longitudinal waves do not exhibit _____________________?
Photoelectric effect was given by ____________________?
Which one of the following properties of light does not change with the nature of the medium ?
In double slit experiment we observe _____________________?
