Question : The focal length of a converging lens are fV and fR for violet and red light respectively. Then
A. fV > fR
B. fV = fR
C. fV < fR
D. any of the three is possible depending on the value of the average refractive index m
Answer:C
Question : The focal length of a converging lens are fV and fR for violet and red light respectively. Then
A. fV > fR B. fV = fR C. fV < fR D. any of the three is possible depending on the value of the average refractive index m