21. An electron emits a photon when it: a. Teleports from an inner shell to an o

Question

21. An electron emits a photon when it: a. Teleports from an inner shell to an outer shell. b. Teleports from an outer shell to an inner shell. c. Enters the nucleus. d. Forms an ionic bond. e. All the Above. In a double slit experiment how could you eliminate the fringing effeo a. Place the screen slightly closer to the slits b. Make the slits much larger Change the wavelength of light used slightly d. c. Yo u cannot, the fringing is caused by the wave nature of light e. Bring the slits closer together ow does the intensity of unpolarized light change as it passes through a polarizer? a. It reduces by the cosine of the angle squared b. It reduces by half c. It reduces by the square root of 2 over 2 d. It only changes if it is not monochromatic e. It does not change 23. H 24. What quality of an optical instrument is affected by diffraction? a. Magnification b. Focusing power c. Resolution d. Amplification e. None of these 25. What is an interferometer typically used to find? a. Small changes in the wavelength of light b. Small vibrations in the surrounding area c. The Ether d. Small changes in distance e. It's not used for any of these things

Explanation / Answer

21) (b) teleports from an outer shell to an inner shell.

22) not sure

23) (b) it reduces by half.

24) (c) resolution.

25) (d) small changes in distance.

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