Which of the following occurs when light is reflected from a rough or unpolished surface? A. The original pattern of the light is distorted. B. The angle of reflection is less than the angle of incidence. C. The angle of reflection is greater than the angle of incidence. D. The original pattern of the light is preserved.
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Updated 93 days ago|10/17/2020 11:12:18 PM
Original conversation
User: Which of the following occurs when light is reflected from a rough or unpolished surface? A. The original pattern of the light is distorted. B. The angle of reflection is less than the angle of incidence. C. The angle of reflection is greater than the angle of incidence. D. The original pattern of the light is preserved.

Weegy: The original pattern of the light is distorted, this occurs when light is reflected from a rough or unpolished surface.
Score .9743

User: When an object is placed 8 millimeters from a concave spherical mirror, a clear image can be projected on a screen 16 millimeters in front of the mirror. If the object has a height of 4 millimeters, the height of the image is A. 4 millimeters. B. 2 millimeters. C. 8 millimeters. D. 12 millimeters.

Updated 93 days ago|10/17/2020 11:12:18 PM
Rating
3
When an object is placed 8 millimeters from a concave spherical mirror, a clear image can be projected on a screen 16 millimeters in front of the mirror. If the object has a height of 4 millimeters, the height of the image is 8 millimeters.

M = i / p m = 16 mm / 8 mm m = 2 mm 2 x 4 mm = 8 mm.
Added 93 days ago|10/17/2020 11:12:18 PM

The process in which a substance changes from a gaseous state to the liquid state is A. condensation. B. critical temperature. C. evaporation. D. absolute zero.
Weegy: The process in which a substance changes from a gaseous state to the liquid state is condensation. (More)
Updated 4/5/2018 4:10:40 PM
In America, the first two parties were the Federalists and the Anti-Federalists. They were divided over _____.
Updated 269 days ago|4/25/2020 7:24:19 PM
In America, the first two parties were the Federalists and the Anti-Federalists. They were divided over the Ratification of the Constitution.
Added 269 days ago|4/25/2020 7:24:19 PM
In which of the following materials is the velocity of light greatest? A. Air B. Crown glass C. Water D. Fused quartz
Weegy: The velocity of light is greatest in AIR. User: Which one of the following scientists did not study the properties of light? A. Einstein B. Maxwell C. Newton D. Kepler Weegy: Kepler did not study the properties of light. User: The glow emitted by a substance exposed to external radiation is called A. fluorescence. B. phosphorescence. C. bioluminescence. D. luminescence. Weegy: The glow emitted by a substance exposed to external radiation is called Fluorescence. User: Rays of light incident on a lens and parallel to the principal axis of the lens converge A. in front of the lens. B. in back of the lens. C. at the focal point of the lens. D. at the center of curvature of the lens. Weegy: Rays of light incident on a lens and parallel to the principal axis of the lens converge - at the focal point of the lens. User: The portion of a light ray that falls on a surface is a/an A. reflected ray. B. specular reflection. C. diffuse reflection. D. incident ray. Weegy: Portion of light ray that falls on a surface is incident ray. User: If a 72-candela light source is located at a distance of 3 meters from a surface, the illuminance on the surface is A. 24 lux. B. 8 lux. C. 216 lux. D. 648 lux. (More)
Updated 7/4/2019 1:19:45 PM
If a 72-candela light source is located at a distance of 3 meters from a surface, the illuminance on the surface is 8 lux.
Solution:
E = I / s²; E = 72/9 = 8 lux.
When all parts of a circuit are composed of conducting materials, the circuit is said to be A. parallel. B. closed. C. open. D. shorted.
Weegy: When all parts of a circuit are composed of conducting materials, the circuit is said to be closed. (More)
When an electric current flows through a long conductor, each free electron moves A. from one end of the conductor to the other end. B. back and forth between the ends of the conductor. C. through a relatively short distance. D. with a speed of 300,000,000 m/s.
Weegy: When an electric current flows through a long conductor, each free electron moves through a relatively short distance. User: In a cathode ray tube, the number of electrons that reach the fluorescent screen is controlled by the A. cathode. B. grid. C. anode. D. deflecting plate. Weegy: In a cathode ray tube, the number of electrons that reach the fluorescent screen is controlled by the grid. User: A circuit contains two devices that are connected in parallel. If the resistance of one of these devices is 12 ohms and the resistance of the other device is 4 ohms, the total resistance of the two devices is A. 0.333 ohms. B. 3 ohms. C. 16 ohms. D. 0.0625 ohms. (More)
Updated 100 days ago|10/11/2020 3:08:41 PM
A circuit contains two devices that are connected in parallel, If the resistance of one of the devices is 12 ohms and the resistance of the other device is 4 ohms, The total resistance of the two devices is 3 ohms. Solution: 12 x 4 divided by 12 + 4 = 48/16 = 3.
Added 100 days ago|10/11/2020 3:08:41 PM
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