A beam of sunlight passes into a ethyl alcohol and is refracted at Ana angle of 25 degrees. What is the angle of incidence? Ethyl alcohol has a index of refraction of 1.360? The angle of incidence is?
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A beam of sunlight passes into a ethyl alcohol and is refracted at Ana angle of 25 degrees. What is the angle of incidence? Ethyl alcohol has a index of refraction of 1.360? The angle of incidence is?
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- A ray of light travels through air until it strikes the interface between the air and another medium. The incident ray makes an angle of ?1 = 34.0° with the normal, as shown in the figure below. Upon passage into the second medium, the ray is refracted, emerging from the interface at an angle ?2 with respect to the normal. A light ray in air is moving down and to the right and is incident on a second medium. It makes an angle ?1 with the vertical. Inside the vertical, it continues to move down and to the right but at a steeper slope than the incident ray. It makes an angle ?2 with the vertical. (a) Suppose that the second medium is flint glass. What is the angle of refraction, ?2 (in degrees)? (Enter your answer to at least one decimal place.) ° (b) Suppose that the second medium is fused quartz. What is the angle of refraction, ?2, in this case (in degrees)? (Enter your answer to at least one decimal place.) ° (c) Finally, suppose that the second medium is ethyl…A layer of oil (n = 1.45) floats on an unknown liquid. A ray of light originates in the oil and passes into the unknown liquid. The angle of incidence is 62.8 degrees, and the angle of refraction is 62.0 degrees. What is the index of refraction of the unknown liquid?Sunlight strikes the surface of a lake. A diver sees the Sun at an angle of 38.6\deg with respect to the vertical. What angle do the Sun's rays in air make with the vertical?
- Light travels from water (n = 1.33) into an unknown medium. If the angles of incidence is 30 deg and the angle of refraction is 24 what is the index of refraction of the unknown medium?A ray of light travelling through air encounters a 1.7-cm-thick sheet of glass at a 45 ∘ angle of incidence. Assume n = 1.5. How far does the light ray travel inside the glass before emerging on the far side?Express your answer in centimeters.A ray of light travels from air into another medium, making an angle of ?1 = 45.0° with the normal as in the figure below. (a) Find the angle of refraction ?2 if the second medium is flint glass. (b) Find the angle of refraction ?2 if the second medium is fluorite. (c) Find the angle of refraction ?2 if the second medium is glycerine.
- As shown in the figure, a light beam travels from air, through olive oil, and then into water. If the angle of refraction 0, for the light in the olive oil is 29.6°, determine the angle of incidence 0, in air and the angle of refraction 03 in water. The index of refraction for olive oil is 1.47. 0, = 83 = air n2 oil 13 waterThe figure below shows a laser beam (1) incident on a block of acrylic glass, with an angle of incidence of 61.0°. The beam partially reflects from the surface (2) and partially transmits (3) a refracted beam into the material, with a refraction angle of 35.9º. The transmitted beam itself reflects off the bottom surface (4) and refracts again when it exits the material (5). The laser beam's wavelength is 632.8 nm. 3 4 5 Courtesy of He (a) What is the speed of light (in m/s) in the acrylic glass? m/s (b) What is the frequency of the light (in Hz) in the acrylic glass? Hz (c) What is the wavelength of the light (in nm) in the acrylic glass? nmA ray of light crosses the boundary between some substance with n = 1.54 and air, going from the substance into air. If the angle of incidence is 29◦ what is the angle of refraction? Calculate to 1decimal.
- take ur timeA very large piece of clear ice has a cave man frozen inside it. When viewed at an anglefrom the top of the ice the cave man appears to be 1.00 ft below the surface of the ice.What is the actual depth (in units of inches) of the cave man from the top of the ice?The index of refraction of the ice is 1.309 Do NOT use i for the angle of incidence or r for the refracted angleTo the nearest hundredth of an hour, how many hours are required before a radio signal from a space probe near the planet Uranus reaches Earth, 1.607 *109 km away? A light ray is reflected from a mirror with an angle 15.2° to the normal. What was the angle of incidence? Light passes through a transparent substance at a speed of 2.256 ×108 m/s. Based on the following table, what is the material? index of refraction (n = =) Glass Diamond Substance Ice Water Ethyl alcohol (Click to select) ✓ (Click to select) Ice Diamond Glass Ethyl alcohol Water 1.50 2.42 1.31 1.33 1.36 The wavelength of a monochromatic light source is measured to be 5.06 x10-7 m in a diffraction experiment. (a) What is the frequency? x 1014 Hz (b) What is the energy of a photon of this light? 10-19 J