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Light from a Point Source X Contains Only Blue and Red

Question 23

Multiple Choice

Light from a point source X contains only blue and red components. After passing through a mysterious box, the light falls on a screen. Red and blue hands are observed as shown. The box must contain: Light from a point source X contains only blue and red components. After passing through a mysterious box, the light falls on a screen. Red and blue hands are observed as shown. The box must contain: A) a lens B) a mirror C) a prism D) a double slit E) a blue and red filter


A) a lens
B) a mirror
C) a prism
D) a double slit
E) a blue and red filter

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