Dual Nature of Radiation — JEE Main 2004 · Annual, Paper 1 · Q6614 · Alror
Dual Nature of Radiation
JEE Main 2004 · Annual, Paper 1 · Q6614
PhysicsEasy145×since 2002Q6614
The work function of a substance is 4.0eV. The longest wavelength of light that can cause photo-electron emission from this substance is approximately.