Cambridge A-Level · Physics

Dual nature of matter

3 practice questions, each with the answer and an explanation.

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Random questions from this topic, one at a time. You see the answer and the explanation straight after each one.

All 3 questions

What is the energy of a photon of wavelength $310 nm$ ? (use $h c = 1240 eV nm$ , answer in eV)
What is the energy of a photon of wavelength $248 nm$ ? (use $h c = 1240 eV nm$ , answer in eV)
What is the energy of a photon of wavelength $620 nm$ ? (use $h c = 1240 eV nm$ , answer in eV)

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