1085_Physics ProblemsTechnical Physics

1085_Physics ProblemsTechnical Physics - 426 P38.60...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
426 Diffraction Patterns and Polarization P38.60 (a) We require θ λ min . == = 122 2 DL D L radius of diffraction disk . Then 2 244 = . . (b) D = 2 44 500 10 0 150 428 9 .. m m m ej af µ P38.61 The limiting resolution between lines min . . × × 550 10 500 10 134 10 9 3 4 D m m rad . Assuming a picture screen with vertical dimension A , the minimum viewing distance for no visible lines is found from min = A 485 L . The desired ratio is then L A × = 1 485 1 485 1 34 10 15 4 4 min . . rad . P38.62 (a) Applying Snell’s law gives nn 21 sin sin φθ = . From the sketch, we also see that: θφβπ ++= , or φπ θβ =− + bg . Using the given identity: sin sin cos cos sin φπ β π =+ −+ , which reduces to: sin sin . FIG. P38.62(a) Applying the identity again: sin sin cos cos sin βθ . Snell’s law then becomes: sin cos cos sin sin θβ += or (after dividing by cos
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 12/14/2011 for the course PHY 203 taught by Professor Staff during the Fall '11 term at Indiana State University .

Ask a homework question - tutors are online