Question

Calculate the no. of photos in the
wavelength of sunlight is 550 nm
and energy is 25 J.​

Answer 1

Answer:

if it's photons...

then-

using E=n*h*c/lambda...(energy for n number of photons...h=Planck's constant, c=velocity of light, lambda=wavelength)

25 = n*(6.63*10^-34)*(3*10^8)/(5.5*10^-7)

n= 25 * (5.5*10^-7)/(6.63*10^-34)*(3*10^8)

n = 7*10^19. (approx)

hope it helps... please ask for any queries.

Answer 2

Answer:

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