A 50 watt bulb emits monochromatic red light of wavelength of 795 nm. The number of photons emitted per second by the bulb is$x \times 10^{20}$. The value of x is _________.
[Given: $\mathrm{h}=6.63 \times 10^{-34} \mathrm{Js}$ and $\mathrm{c}=3.0 \times 10^8 \mathrm{~ms}^{-1}$ ]
Hello 👋 Welcome to Competishun – India’s most trusted platform for JEE & NEET preparation. Need help with JEE / NEET courses, fees, batches, test series or free study material? Chat with us now 👇
