two metal A and B have work functions 2eV and 5eV.Which metal will emit electrons when irradiated with a radiation of 400nm?
Asked by krishna | 18th Nov, 2013, 08:15: AM
Expert Answer:
The energy of incident radiation of wavelength 400 nm is
Thue, the metal A having work function 2 eV will emit electrons.
The metal B has higher work function, hence it cannot emit electrons.

Answered by Romal Bhansali | 18th Nov, 2013, 11:22: AM
Kindly Sign up for a personalised experience
- Ask Study Doubts
- Sample Papers
- Past Year Papers
- Textbook Solutions
Sign Up
Verify mobile number
Enter the OTP sent to your number
Change