If the work function for a certain metal is 3.2 x 10 -19 J and it is illuminated with…
Chemistry · JEE Main · NTA Exams — Atomic Structure
If the work function for a certain metal is 3.2 x 10-19 J and it is illuminated with light of frequency \(v\) = 8 x 1014 Hz. The maximum kinetic energy of the photo-electrons would be
(Planck's constant, h = 6.63 x 10-34 Js)
- 2.1 x 10-19 J
- 3.2 x 10-19 J
- 4.2 x 10-19 J
- 5.3 x 10-19 J
Answer
(A) 2.1 x 10 -19 J
Sign up free on Edukali to view the step-by-step worked solution and practice thousands of similar questions.
Related practice questions
- Minimum number of photons of light of wavelength 4000Å, which provide 1J energy :
- The velocity of light is 3.0 × 10 8 ms –1 . Which value is closest to the wavelength in nanometres of a…
- A subshell with n = 6, l = 2 can accommodate a maximum of
- The minimum energy that must be possessed by photons in order to produce the photoelectric effect with…
- The electronic configuration for Neodymium is: [Atomic number for Neodymium 60]. (Jee Main 2024)
- It is observed that characteristic X-ray spectra of elements show regularity. When frequency to the power 'n'…
- The circumference of the 4 th orbit of hydrogen is 5.32 nm. The wavelength of electron revolving in the first…
- Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R)…
More Atomic Structure questions · Browse all practice questions