Let (nr) and (nb) be respectively the nu...

Let `(n_r) and (n_b) be respectively the number of photons emitted by a red bulb and a blue blub of equal power in a given time.

`n_r = n_b`

`n_r lt n_b`

`n_r gt n_b`

the information is insufficient to get a relation between `n_r and n_b`

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