Question

No. of photon emitted every second 60W bulb will be ​

Answer 1

Answer:

$p = \frac{nh}{tw}$

w=wavelength

$60 = \frac{n \times 6.6 {10}^{ - 34} }{w} \\ n = \frac{60w}{6.6 \times {10}^{ - 34} }$

hope it helps