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Question 3 In a double slit experiment with 600 nm light, the slits are spaced 0.04 mm apart. (a) At what angle will the first bright fringe be from the central maximum? (b) At what angle will the second dark fringe be from the central maximum? (c) If a screen is placed 6 m away what will be the distance from the central line to the first bright maxima on the screen? (d) What would happen to the angles of these fringes if the wavelength of light was increased? Include a diagram. (e) How many bright fringes and how many dark fringes would be present in an 8° angle? (not including the central maximum) (f) Light with a wavelength of 650 nm is incident on a diffraction grating. If the resolving power of the grating is 1600 for a particular maxima, what is the minimum wavelength difference which could be resolved? (g) Why are diffraction gratings able to resolve different wavelengths?

          Question 3
In a double slit experiment with 600 nm light, the slits are spaced 0.04 mm apart.
(a) At what angle will the first bright fringe be from the central maximum?
(b) At what angle will the second dark fringe be from the central maximum?
(c) If a screen is placed 6 m away what will be the distance from the central line to the
first bright maxima on the screen?
(d) What would happen to the angles of these fringes if the wavelength of light was
increased? Include a diagram.
(e) How many bright fringes and how many dark fringes would be present in an 8°
angle? (not including the central maximum)
(f) Light with a wavelength of 650 nm is incident on a diffraction grating. If the
resolving power of the grating is 1600 for a particular maxima, what is the minimum
wavelength difference which could be resolved?
(g) Why are diffraction gratings able to resolve different wavelengths?

$Question 3 In a double slit experiment with 600 nm light, the slits are spaced 0.04 mm apart. (a) At what angle will the first bright fringe be from the central maximum? (b) At what angle will the second dark fringe be from the central maximum? (c) If a screen is placed 6 m away what will be the distance from the central line to the first bright maxima on the screen? (d) What would happen to the angles of these fringes if the wavelength of light was increased? Include a diagram. (e) How many bright fringes and how many dark fringes would be present in an 8° angle? (not including the central maximum) (f) Light with a wavelength of 650 nm is incident on a diffraction grating. If the resolving power of the grating is 1600 for a particular maxima, what is the minimum wavelength difference which could be resolved? (g) Why are diffraction gratings able to resolve different wavelengths?$

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