Photoelectric EffectHard
Question
What wavelength is corresponding to a beam of electrons whose kinetic energy is 100eV (h = 6.6 × 10-34 J-S, 1eV = 1.6 × 10-19 J, me = 9.1 × 10-31 kg)
Options
A.1.2
B.2.4
C.3.6
D.4.8
More Photoelectric Effect Questions
In E.M. waves spectrum X-rays region lies between-...Two lithium 6Li nuclei in a lithium vapour at room temperature do not combine to form a carbon 12C nucleus because...The photoelectric threshold wavelength of a certain metal is 3000. If the radiation of 2000 is incident on the metal :...The wavelength of very fast moving electron (v ≈ c) is :...The wavelength λ of de Broglie waves associated with an electron (mass m, charge e) accelerated through a potential...