When a ray of light enters a glass slab from air
a) |
Its wavelength decreases |
b) |
Its wavelength increases |
c) |
Its frequency increases |
d) |
Neither its wavelength nor its frequency changes |
When a ray of light enters a glass slab from air
a) |
Its wavelength decreases |
b) |
Its wavelength increases |
c) |
Its frequency increases |
d) |
Neither its wavelength nor its frequency changes |