JEE Main · PhysicsHard
In a photoelectric experiment, light of wavelength falls on a metal surface with work function . If the stopping potential is , what is the value of in volts? (Take )
- A.1.13
- B.2.13
- C.3.13
- D.4.13
Show correct answer & step-by-step solution
Correct answer: B — 2.13
Solution
The Einstein photoelectric equation is . Substituting , , and , we get .
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