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Sahay Sir > Question Answers > NCERT Exemplar Class 12 > Physics > Chapter 11 - Dual Nature of Radiation and Matter > The energy flux of the sunlight reaching the surface of the earth is 1.388×10^3Wm^−2. How many photons (nearly) per square meter 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 the sunlight reaching the surface of the earth is 1.388×10^3Wm^−2. How many photons (nearly) per square meter are incident on the earth per second? Assume that the photons in the sunlight have an average wavelength of 550 nm.

Find the (a) maximum frequency and