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MDCAT Practice Test - Practice Test - Physics - Dawn of Modern Physics Quiz

Attempt 10 MCQs on MDCAT Practice Test - Practice Test - Physics - Dawn of Modern Physics | Quiz 3

21. Find wavelength of photon with energy 3.315×10⁻¹⁹ J.



22. Threshold frequency for φ=2.0 eV is:



23. What is the momentum of a photon?



24. What is de Broglie wavelength for an accelerated electron?



25. What is wave-particle duality?



26. Energy of 500 nm photon in eV:



27. Calculate stopping potential: φ=2.0 eV, λ=400 nm.



28. Electron de Broglie wavelength 0.1 nm. Approx KE?



29. What is the Compton wavelength of an electron?



30. What happens when intensity is doubled (f > f₀)?



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