Please answer all the questions and give the correct options with just a little explanation/calculations. I need the answers ASAP within an hour.Thanks!

QUESTION 13* A laser beam is incident from vacuum into a transparent glass slab n = 1.0 n = 1.5 with an index of refraction of 1.5. Which picture shows the trajectory of the beam as it traverses the slab? Binc O(a) Bine O(b) O(c) b n = 1.0 n = 1.5 Binc Dine n = 1.0 n = 1.5 C Binc Bina QUESTION 14* A glass slab with index of refraction equal to 1.5 is immersed in a liquid having index of refraction equal to 1.2 as shown in the figure. What is the minimum incidence angle in the glass slab at which total internal reflection is observed? O(a) 0=27.4" O(b) 0 =41.8" O(c) 0=45.0 This (idly sArce 53,damnloaded by 100000843892771 from CourseHero.com on 04-26-2024 08:22:43 GMT -05:010 hips:W/courses physics.illinois.edu/phys212/sp2018/practice/practice.plilexam3/sp10 5/9 https:0www.coursehero.com/file/3048822 1/Spring-2010-Physics-212-Hour-Exam-3pdf? 4/202018 Spring 20 10 Physics 212 Hour Exam 3 O(e) 0=56.4 liquid n = 1.2 emin : glass slab n = 1.5QUESTION 15* A snapshot of the electric field of a Ex 1 sinusoidal electromagnetic wave, taken at f = 0, is shown in the figure. The wave is polarized in the x-direction and is propagating in the positive z-direction. AAA Z Which expression correctly gives the magnetic field of this wave? O(a) a. B(z,t ) = & max cos (kz - at) O(b) D(c) D(d) b. B(z,t ) = Rum sin (kz + at ) C D(e) c. B(z,t ) = 2 mm cos (kz - ax) C d B(z,t) =you sinkz+@ e. B(z,t ) =5-mi nis sin (kz - ax) c QUESTION 16* An unpolarized light beam propagates incident beam is unpolarized through four ideal linear polarizers as shown in the figure below. The first polarizer is oriented vertically. The 30 polarization axes of the following three polarizers are tilted from vertical by the angles given in the figure. : 450 O(a) 14/ 10 =0.211 O(b) 14/ 10=0.326 1 60 O(9) 14/10 =0.404 O(d) 14/ 10 =0.571 O(e) 14/ 10 =0.653