:a laser beam is incident on two slits with separation d-0.038 mm. a screen is placed l-1.6 m from the slits. the wavelength of the laser light is a 4750 å. and θ2 are the angles to the first and second bright fringes above the center of the screen. otheex ee 25% part (a) express sin(91) in terms of d and λ. sin(θ 1) add v correct! 25% part (b) express sin(92) in terms of d and λ. sin(02) (2 a )yd correct 25% part (c) express the distance between the two bright fringes on the screen, y, in terms of θ1, θ2 and l. grade s deductic potentia 9 cotan(0) cotan(02) in(a)n 4 5 6 cos(0) | (.ilm-17 8 cos(α) cos(φ) submiss attempts per detailed sin(φ) tan(6) sin(0) tan(01) hint i give up! submit feedback: deduction per feedback hints: 0%, deduction per hint. hints remaining: 2 25% part (d) solve for the numerical value of y ¡n meters.