Q. Eclipses occur due to which optical phenomena
A) Refraction
B) Reflection
C) Diffraction
D) Rectilinear propagation
✔ Correct Answer: Rectilinear propagation
Exam Insight
Eclipses occur due to the alignment of celestial bodies, blocking light. The phenomena involved are the shadow and penumbra, where the Earth's or Moon's shadow causes the eclipse.