What is the range of visible light in humans?

380 to 700 nanometers is the range of wavelength in the electromagnetic spectrum which can be visible to human eyes.You can read about LIGO India – Gravitational Wave Detector in India in the given link.

Further readings:

1. Topic-Wise GS 3 Questions for UPSC Mains
2. Science & Technology Notes For UPSC – General Science Notes