Ts Eamcet
Atomic Structure
TS EAMCET 2023 (Online) 14th May Evening Shift
MCQ+1 / -02023
A 100 W bulb emits light of wavelength
$x \mathop {\rm{A}}\limits^{\rm{o}} $. What is the value of $x$, if the number of photons emitted is $2.0 \times 10^{20} \mathrm{~s}^{-1}$ ?
\(\left(h=6.63 \times 10^{-34} \mathrm{Js}, 1 \mathrm{~W}=1 \mathrm{Js}^{-1}\right)\)