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Sahay Sir > Question Answers > AIIMS Last 24 Years Solved 1996 - 2019 Physics and Chemistry Video Solutions > Physics > Chapter 29 - Dual Nature of Matter and Radiation > The energy flux of sunlight reaching the surface of the earth is 1.388×10^3 Wm^−2. How many photons (nearly) per square metre are incident on the earth per second ? Assume that the photons in the sunlight have an average wavelength of 550 nm.

The energy flux of sunlight reaching the surface of the earth is 1.388×10^3 Wm^−2. How many photons (nearly) per square metre are incident on the earth per second ? Assume that the photons in the sunlight have an average wavelength of 550 nm.