IAT IISER2018ChemistryStructure of Atom
The kinetic energy of the photoelectrons ejected from a metal on irradiation with light of frequency (3.8 10¹⁶ ~Hz ) is (K ). When irradiated with light of frequency (2.4 10¹⁶ ~Hz ), the kinetic energy of the photoelectrons becomes (K / 2 ). What is the threshold frequency ( ( ₀ ) ) of the metal?
Options
- A(1.5 10¹⁶ ~Hz )
- B(1.2 10¹⁶ ~Hz )
- C(2.0 10¹⁶ ~Hz )
- D(1.0 10¹⁶ ~Hz )
Correct answer
D. (1.0 10¹⁶ ~Hz )
Step-by-step solution
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