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Double-Slit Interference and Thin Film Interference Crossword

Read sections 28.3 and 28.5 before attempting

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Down1. _______ Interference occurs when dsin(Ө)=mΛ (constructive)3. Wavelength of wave in a ______ is given by Λ=Λ/n (medium)4. Longer wavelengths have larger _____ _______ (deflection angles)6. Scientist (1773-1829) performed a crucial experiment that showed that light has wave properties (thomas young)7. Name of experiment that showed light had wave properties (double-slit)8. Reflected light will experience a _________ when reflected from a medium with with a greater index of refraction (hard reflection)9. (dsin(Ө)=mΛ) where m is an integer often called the (spectral order)11. t=(2m+1)Λ/4 where m is an integer greater or equal to 0 is the general relationship for destructive ______ (interference)

Across2. Condition named after scientist that explains geometry of double-slit experiment (fraunhofer)5. When a light ray strikes an air-coating boundary it is partly___ (reflected)10. Produces colours of soap bubbles (thin film interference)12. When m=0 we get an angle of ____ for any wavelength (zero)13. _______ Interference occurs when dsin(Ө)=(m+1/2)Λ (destructive)