The threshold wavelength for photoelectrons emission from a material is 5200 a a…
Chemistry · NEET · NTA Exams — Structure of Atom
The threshold wavelength for photoelectrons emission from a material is 5200 \(\stackrel{a}{a}\) Photoelectrons will be emitted when this material is illuminated with monochromatic radiation from a:
- 1 W infrared lamp
- 1 W ultraviolet lamp
- 500 W infrared lamp
- 1000 W infrared lamp
Answer
(B) 1 W ultraviolet lamp
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