Guru Academy and Labs: 32. The focal length of converging lens is measured for violet, green and red colours. It is respectively $f_v, f_g, f_r$. We will get ?

32. The focal length of converging lens is measured for violet, green and red colours. It is respectively $f_v, f_g, f_r$. We will get ?

32. The focal length of converging lens is measured for violet, green and red colours. It is respectively $f_v, f_g, f_r$. We will get ?

(a) \( f_y = f_0 \)

(b) \( f_y < f_r \)

(c) \( f_s > f_r \)

(d) \( f_v > f_r \)

Answer : (b) \( f_y < f_r \)

\( f_y < f_g< f_r \)

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