Teaching MPPSC Assistant Professor Mock Test Series 2025 Physics Dual Nature: Photon and Matter Waves The Photoelectric Effect
The number of photons emitted in 10 hours by a 60 W sodium lamp \(\lambda\) of photon \(=6000.A^o\)
[take hc=12400 eVA, h=plancks contant c= speed of light]
1
\(6.50 \times 10^{24}\)
2
\(6.40\times 10^{23}\)
3
\(8.40 \times 10^{23}\)
4
\(6.50 \times 10^{23}\)