When monochromatic red right is used instead of blue light in a convex lens, its focal length will |
|||
a) |
Does not depend on colour of light |
b) |
Increase |
c) |
Decrease |
d) |
Remain same |
When monochromatic red right is used instead of blue light in a convex lens, its focal length will |
|||
a) |
Does not depend on colour of light |
b) |
Increase |
c) |
Decrease |
d) |
Remain same |