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).

A

Microwave

B

Infrared

C

Visible

D

Ultraviolet