The focal length of converging lens is measured for violet, green and red colours. It is respectively fv, fg, fr, We will get
(a) fv = fg
(b) fg > fr
(c) fv < fr
(d) fv > fr
The focal length of converging lens is measured for violet, green and red colours. It is respectively fv, fg, fr, We will get
(a) fv = fg
(b) fg > fr
(c) fv < fr
(d) fv > fr