Two light beams are incident normal to one surface of a triangular prism with refractive index n = 1.4 surrounded by air. What is the value of the angle between the two emerging beams, shown as a in the figure? d c---- - d 90° 45° ----- ---
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- In the figure, a 2.1-m-long vertical pole extends from the bottom of a swimming pool to a point 50.0 cm above the water. Sunlight is incident at angle = 51.0°. What is the length in meters of the shadow of the pole on the level bottom of the pool? The water has an index of refraction of 1.33. A Blocked sunraysA 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 = 5.50 cm and y = 18.1 cm. =___°A light ray enters a rectangular block of plastic at an angle of 0₁ = 44.0° and emerges at an angle of 0₂ = 1 n (a) Determine the index of refraction of the plastic. 80.0° as shown in the figure below. (b) If the light ray enters the plastic at a point L = 50.0 cm from the bottom edge, what time interval is required for the light ray to travel through the plastic? ns
- Red light is incident in air on a 30° -60° - 90 ° prism as shown. The incident beam is directed at an angle of ₁ = 40.20 with respect to the horizontal and enters the prism at a height h = 20 cm above the base. The beam leaves the prism to the air at a distance d = 54.2 along the base as shown. 45.66 1.36 30⁰ 1) What is 2, the angle the beam in the prism makes with the horizontal axis? 71.9 d degrees Submit 2) What is n, the index of refraction of the prism for red light? dviolet d Submit Submit 02 3) What is 3, the angle the transmitted beam makes with the horizontal axis? h degrees Submit 03 degrees Submit (+) 4) What is 41,max, the maximum value of 1 for which the incident beam experiences total internal reflection at the horizontal face of the prism? degrees Submit + + 5) The red beam is now replaced by a violet beam that is incident at the same angle 1 and same height h. The prism has an index of refraction nviolet = 1.46 for violet light. Compare dviolet, the exit distance for…The index of refraction for violet light in silica flint glass is 1.66 and that for red light is 1.62. What is the angular dispersion of visible light passing through an equilateral prism of apex angle 60.0° if the angle of incidence is 46.0°? (See figure. The index of refraction for air is 1.00.)A laser beam is propagating within a piece of glass with refraction index n1 (1.9600x10^0). What is the critical angle of total reflection when it strike the interface to another medium with refraction index n2 (1.29x10^0). (Give answer in %3D %3D degrees to 3 sf) Note: Your answer is assumed to be reduced to the highest power possible. Your Answer: x10 Answer