The energy flux of sunlight reaching the surface of the earth is `1.388xx10^(3)Wm^(-2)`. The photons in the sunlight have an average wavelength of 550 nm.
How many photons per square metre are incident on the earth per second ?

The energy flux of sunlight reaching the surface of the earth is 1.388 xx 10^(3) W .m^(-2) . How many photons (nearly) per square metre are incident on the earth per second? Assumethat 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 xx 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 1.388xx10^(3)W//m^(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 xx 10^(3) W//m^(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 xx10^(3) "W/m"^(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.