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The frequency range of visible light is approximately ________ Hz.
- 10¹⁴
- 10¹⁶
- 10¹⁸
- 10²⁰
Answer: 10¹⁴
Visible light: 4×10¹⁴ Hz (red) to 8×10¹⁴ Hz (violet); wavelength 700-400 nm. Higher frequency than IR, lower than UV. Important for EM spectrum questions. [[NCERT Physics Class 12]]