ray having a combination of three colours of wavelen a glass prism having indices of refractions of, na, ng, emerge from the opposite face of the prism at differen of the following is true about the speed of light of the
ray having a combination of three colours of wavelen a glass prism having indices of refractions of, na, ng, emerge from the opposite face of the prism at differen of the following is true about the speed of light of the
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Transcribed Image Text:A light ray having a combination of three colours of wavelengths, A, Ap, and Ac, is incident on one
face of a glass prism having indices of refractions of, na, ng, and nc, respectively. The three rays of
colors emerge from the opposite face of the prism at different angles, as shown in the figure below.
Which of the following is true about the speed of light of the three colours inside the glass?
Glass prism
Combined three
colors
VA = v_B = v_C
V_A < v_B < v_C
v_C < v_B < v_A
v_B < v_A < v_C
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