Wavefront of a wave has direction with wave motion
Parallel
Perpendicular
Opposite
At an angle of $\theta$
Write Huygen's principle and principle basically composited ?
According to corpuscular theory of light, the different colours of light are due to
Figure, shows wave fronts in still water moving in the direction of the arrow towards the interface $PQ$ between a shallow region and a deep(denser) region. Which of the lines shown may represent one of the wave fronts in the deep region?
Huygen's principle is applicable to
The figure shows a surface $XY$ separating two transparent media, medium - $1$ and medium- $2$. The lines $ab$ and $cd$ represent wavefronts of a light wave traveling in medium- $1$ and incident on $XY$. The lines $ef$ and $gh$ represent wavefronts of the light wave in medium- $2$ after refraction.
The phases of the light wave at $c, d, e$ and $f$ are $\phi_c,\phi_d, \phi_e$ and $\phi_f$ respectively. It is given that $\phi_c \neq \phi_f.$