Q

Three prisms placed in the same orientation split white light into how many component colours?

RRB Paramedical (Stage-II) 30/04/2025 / Shift-III 2025
✓ Answer: A 7
Successive similarly oriented prisms further disperse the same spectrum; they do not multiply the number of conventional colour bands.
← Previous Question Next Question →

📚 Related Questions — Light

1 Light travels from air into water of refractive index 1.33. The ray… 2 A magic mirror shows a boy’s head at the same size, middle… 3 A convex lens forms a real, inverted image three times the size… 4 Which of the seven colours is deviated most by a prism? 5 A concave mirror of focal length 10 cm forms a real image… 6 What happens to light speed when it enters a rarer medium from…