Dual Nature of Radiation and Matter

Question: Mercury violet light $(\lambda = 4558{\AA})$ is falling on a photosensitive material $(\varphi = 2.5eV)$. The speed of the ejected electrons is in $m{s^{ - 1}}$, about

1) $3 \times {10^5}$

2) ${K_A} = {K_B}/2$

3) $4 \times {10^4}$

4) $3.65 \times {10^7}$

Solution:

Explanation: No Explanation

Photon and Photoelectric Effect

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