Threshold wavelength where photoelectrons have no energy, ie Work function = hc/wavelength.Rearrange for wavelength and substitute. Wavelength = 2*10^-7 m.

9 янв. 2020 г. · The work function of a metal is 4.2eV, its threshold wavelength will be. 40000A; 35000A; 25000A; 29600A. A. 29600A. B. 40000A.

Work function, φ0=threshold energy=hv0=hcλ0 · Threshold wavelength for a metal having work function w0 is λ. · The threshold wavelength of a metal having work ...

26 июн. 2024 г. · The threshold wavelength, related to threshold frequency by the wave equation, is defined as: The longest wavelength of incident ...

27 июн. 2018 г. · E=hc/(lambda). Lambda is the wavelength of incident wave. This lambda is the threshold wavelength. For higher threshold energy threshold ... Can you calculate work function with only threshold frequency? What is the threshold wavelength (in the angstrom) of a metal ... Другие результаты с сайта www.quora.com

Threshold wavelength for a metal is λ0, light of wavelength incident on metal is λ02. Find deBroglie wavelength of electron with maximum K.E. ?

The work function is found by dividing the product of the Planck constant (h) and the speed of light (c) by the threshold wavelength (λ). The resulting energy ...

We can relate the work function, W , and maximum electron energy, E m a x , given wavelength, 𝜆 , using the formula E = ℎ c 𝜆 − W m a x , where ℎ is the Planck ...

Since wavelength of light is inversely proportional to its frequency, the threshold wavelength is the maximum wavelength of the light for which the metal will ...