A monochromatic source of light operating at 15 kW emits \(2.5\times {10}^{22}\) photons/s. The region of an electromagnetic spectrum to which the emitted electromagnetic radiation belongs to _____________
(Take \(h=6.6\times {10}^{-34}J.s\) and \(c=3\times {10}^{8}m/s\) ).

[JEE Main 2026, 8 Apr (Shift 2)]

Question

A monochromatic source of light operating at 15 kW emits \(2.5\times {10}^{22}\) photons/s. The region of an electromagnetic spectrum to which the emitted electromagnetic radiation belongs to _____________
(Take \(h=6.6\times {10}^{-34}J.s\) and \(c=3\times {10}^{8}m/s\) ).

[JEE Main 2026, 8 Apr (Shift 2)]

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