please answer all questions, not just one or two, unless the questions requires

Question

please answer all questions, not just one or two, unless the questions requires reading the lab

QUESTION 1 In this experiment, the wavelength of light color is known to be 559.33 nm; however you obtained 527.28 nm through experiment. What is the percent error? (Percent error can be a positive, negative, or zero value. Please refer to the lab handout for formula) QUESTION 2 Light is emitted when a valence electron moves from a lower state to an excited state True False QUESTION 3 Light produced from spontaneous emission is incoherent. True False QUESTION 4 dsin(e) In this lab, we will use this formula for calculation, in which d represents Separation between slits. Width of an individual slit. O Distance between slit screen and observation screen

Explanation / Answer

1. error = 559.33 - 527.28 = -32.05 nm

% error = (32.05 / 559.33) x 100

= - 5.73 %

2. energy is lost by electron hence it will move to lower state from a excited state.

False

3. True.

4. Separation between slits

5. B

6. 4.8 mm = 4.8 x 10^-3 m

7. 1 mm / 600 = 1.67 x 10^-3 mm

8. Red

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