(20%) Problem 3: A laser beam is incident on two slits with separation a' = 0.034 mm. A screen is placed L = 1.8 m 'om the slits. The wavelength of the laser light is 11 = 1500 A. 01 and 92 are the angles to the rst and second bright fringes above the center of the screen. thcexpertta.con a A 25% Part (2) Express sin(6'1) in terms of d and l. . Grade Summary 8111(91) = i] Deductions 0"/ Potential 100/ cotan(91) cotan(92) tan(91} ( 7 8 9 Submissions tan 9 Attempts remaining: ( 2) a 4 5 6 w per attempt) 7' 9 d 1 2 3 detailed view g h L + - 0 m P t 40 Submit Him _ Igive up! Hints: 0% deduction per hint. Hints remaining: 1 Feedback: 0% deduction per feedback. i 3 25% Part (b) Express sin(92) in terms of d and A. a A 25% Part (c) Express the distance between the two bright fringes on the screen, y, in terms of 01, 02 and L, E A 25% Part ((1) Solve for the numerical value of v in meters. (20%) Problem 4: Consider a single slit that produces its first minimum at 510 for 585 nm light. Randomized Variables 01 = 51 0 02 = 61 21 = 585 nm DA 50% Part (a) What is the width of the single slit, w, in nanometers? W = sino cos() tan TC C 7 8 9 HOME cotan() asin( acos() E 4 5 6 atan() acotan() sinh() 1 2 3 cosh() tanh() cotanh() + 0 END Degrees O Radians VO BACKSPACE DEL CLEAR Submit Hint Feedback I give up! Hints: 0% deduction per hint. Hints remaining: 2 Feedback: 0% deduction per feedback. 4 50% Part (b) Find the wavelength, in nanometers, of light that has its first minimum at 610.(20%) Problem 5: A red laser (1 = 654 nm) is incident on a diffraction grating that has n = 1800 lines per cm. Randomized Variables 1 = 654 nm n = 1800 lines/cm A 50% Part (a) What is the angle, in radians, that the first order maximum makes, 01? 01 = sin() cos() tan() 7 8 9 HOME cotan() asin() acos() A 5 6 atan() acotan() sinh() 3 cosh() tanh() cotanh() + END O Degrees O Radians VO BACKSPACE DEL CLEAR Submit Hint Feedback I give up! Hints: 0% deduction per hint. Hints remaining: 4 Feedback: 0% deduction per feedback. 4 50% Part (b) What is the angle of the fourth order maximum, 04, in radians