In a photoelectric experiment photons of energy 5 eV are incident on a metal surface…
Chemistry · JEE Main · NTA Exams — Atomic Structure
In a photoelectric experiment photons of energy 5 eV are incident on a metal surface. They liberate electrons which are just stopped by an electrode at a potential of 3.5 V with respect to the metal. The work function of the metal surface in eV is:
- 5
- 3.5
- 1.5
- 7
Answer
(C) 1.5
Sign up free on Edukali to view the step-by-step worked solution and practice thousands of similar questions.
Related practice questions
- An isotone of 32 Ge 76 is (i) 32 Ge 77 (ii) 33 As 77 (iii) 34 Se 77 (iv) 34 Se 78
- The outer electronic configuration of Gd (Atomic No = 64) is:
- According to Bohr's theory, the angular momentum of an electron in 5th orbit is:
- Hydrogen has three isotopes: protium ( 1 H), deuterium ( 2 H or D) and tritium ( 3 H or T). They have nearly…
- Consider the following pairs of electrons (A) (a) n-3,1-1, m_ 1 -1, m_ 1 =+ 1 2 (b) n-3,1-2, m_ 1 -1, m_ 1 =+…
- Magnetic quantum number for the last electron in sodium is :
- The wavelength of the radiation emitted, when in a hydrogen atom electron falls from infinity to stationary…
- Given below are two statements. One is labelled as Assertion and the other is labelled as Reason…
More Atomic Structure questions · Browse all practice questions