Doppler Effect — Mains Questions

Discuss the fundamental principle of the Doppler Effect and elaborate on its diverse applications in modern science and technology, particularly in the context of UPSC relevant fields like space exploration and medical diagnostics.

The Doppler Effect is a powerful tool for understanding both the microscopic world of blood flow and the macroscopic scale of the expanding universe. Analyze this statement, highlighting how the same principle is applied differently across these vastly different scales.

Critically examine the limitations of the Doppler Effect in practical applications and discuss how recent technological advancements are addressing these challenges.