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Two beams, A and B whose photon energies are 3.3 eV and 11.3 eV respectively, illuminate a metallic surface (work functi…

Q1

Two beams, A and B whose photon energies are 3.3 eV and 11.3 eV respectively, illuminate a metallic surface (work function 2.3 eV ) successively. The ratio of maximum speed of electrons emitted due to beam \(A\) to that due to beam \(B\) is :

a

3

b

9

c

\(\frac{1}{3}\)

d

\(\frac{1}{9}\)

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