______ degrees C Ultrasonic Diagnostics M x X C Chegg study l Guided Sc x C A Be

Question

______ degrees

C Ultrasonic Diagnostics M x X C Chegg study l Guided Sc x C A Beam of Light Enters x New Tab x x MA Homework 4 C O www.webassign. t/web/Student/Assignme Response /submit? dep 5812096 15. points OSColPhys2016 25.3.WA.014 My Notes Ask Your Teacher A beam of light enters a flint glass semicircular disk with an index of refraction of ng 1.66 at the midpoint of the flat side as shown in the figure Determine the angle of incidence in air such that the refracted light will travel through the glass along a normal to the semicircular surface and hit a projection screen with the coordinates x 5.60 cm and 17.3 cm Screen Glass Additional Materials Screenshot saved The screenshot was added to your Reading One Drive. OneDrive 3:51 PM Speak or type

Explanation / Answer

Using x and y get the angle of refraction

theta= tan^-1(5.6/17.3)= 17.94 degrees

Now use the snell's law

n1 sin i= n2 sin r

sin i= 1.66 sin(17.94)

sin i= 0.511

i = sin^-1(0.511) = 30.74 degrees

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