When a ray of light emerges from a block of glass, the critical angle is |
|
a) |
Equal to the angle of reflection |
b) |
The angle between the refracted ray and the normal |
c) |
The angle of incidence for which the refracted ray travels along the glass-air boundary |
d) |
The angle of incidence |
When a ray of light emerges from a block of glass, the critical angle is |
|
a) |
Equal to the angle of reflection |
b) |
The angle between the refracted ray and the normal |
c) |
The angle of incidence for which the refracted ray travels along the glass-air boundary |
d) |
The angle of incidence |
The angle of incidence for which the refracted ray travels along the glass-air boundary