MHT CET · Physics · Dual Nature of Matter
On a photosensitive material, when frequency of incident radiation is increased by \(20 \%\), maximum kinetic energy of emitted photoelectrons increases from 0.4 eV to 0.7 eV . The work function of the material is
- A \(3 \cdot 5 \mathrm{eV}\)
- B 1.1 eV
- C 0.48 eV
- D 0.22 eV
Answer & Solution
Correct Answer
(B) 1.1 eV
Step-by-step Solution
Detailed explanation
\(K_1 = hf_1 - W\) \(K_2 = hf_2 - W\)
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