Q1/:light is incident from water onto the plane surface of flint glass at an angle of incidence of 35°. The index of refraction is 1.33 for water and 1.63 for flint glass (1) What is the angle of reflection of light off the flint glass? (2) Does the refracted ray bend ?toward or away from the normal
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- Light incident in a medium with an index of refraction 1.47 encounters a medium with an index of refraction 1.18. Which of the following best describes what can happen? If there isn't total internal reflection, then the light that refracts into the second medium bends away from the normal. There will never be total internal reflection and the light that refracts into the second medium will bend away from the normal. If there isn't total internal reflection, then the light that refracts into the second medium bends towards the normal. There can only be total internal reflection.A laser beam shines along the surface of a block of transparent material (see figure below). Half of the beam goes straight to a detector, while the other half travels through the block and then hits the detector. The time delay between the arrival of the two light beams at the detector is 6.25 ns. What is the index of refraction of this material?A light ray in air has an incident angle of 53.8゚ when it strikes the boundary of an unknown material. If the reflected ray is completely polarized so that the incident angle is the Brewster's angle what is the index of refraction of the unknown material? A. 1.25 B. .807 C. 1.69 D. .591 E. 1.37
- Light of wavelength 541 nm is incident from air (n = 1) to glass (n = 1.51). A). What is the wavelength of the light in glass? B). If the angle of incidence is 37°, What is the angle of refraction? C. If the angle of refraction is 39.80°, at what angle did the light touch the glass surface?A light ray in the core (n=1.40) of a cylindrical optical fiber is incident on the cladding. A ray is transmitted through the cladding (n= 1.20) and into the air. The emerging ray makes an angle 02 = 6.10° with the outside surface of the cladding. What angle 01 did the ray in the core make with the axis? Air5. A narrow beam of composite red and violet light initially in air is incident upon a rectangular block. The indices of refraction regarding the block are; n=1.50 for the red light n=1.54 for the violet light. a. If the incident beam strikes the surface of the block at an angle of a = 65.0°, what it the angular separation of the red and violet light as it exits the block, going back into air? b. Between what two angles of incidence a will only one of the colors of light emerge through the top of the block? State which color makes it through (Red or Violet).
- A ray of light enters a flat surface of a block of glass (n=1.52) that is surrounded by water (n=1.33). If the refractive angle is 24.4°, what would be the angle of reflection? Select one: a. 28.17° b. 15.77° c. 18.10° d. 21.19°The critical angle for light going from a certain plastic into a liquid with n = 1.14 is 48 degrees. What is the index of refraction of the plastic?