Question

38. how many electrons constitute a current of 1.6* 10^-19.it is important so do not sparm​

Answer 1

Answer:

Explanation:

Answer

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There are have fallen on the surface.

Explanation:

It is given that,

Wavelength of light,

Energy received by the surface,

Let n photons have fallen on the surface. The energy of a photon is given by :

So, there are have fallen on the surface. Hence, this is the required solution.