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7. Change the frequency to Red (lower frequency). How many bands appear on the screen? b. 5 C. 7 d. 9 8. Change the frequency

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7. Change the frequency to Red (lower frequency). How many bands appear on the screen? b. 5 C. 7 d. 9 8. Change the frequency to Purple (higher frequency). How many bands appear on the screen? W b. 5 C. 7 d. 9 9. Move the slits very close to the light source. How many bands appear on the screen? a. 3 n w b. 5 C. 7 10

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