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Unlike images produced by a convex spherical mirror, images produced by concave spherical mirrors A. are always going to be virtual. B. can be real or virtual depending on the object's placement. C. are always going to be displayed upright, not inverted. D. are located only by the mirror.
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Unlike images produced by a convex spherical mirror, images produced by concave spherical mirrors can be real or virtual depending on the object's placement.
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Asked 10/16/2018 11:10:23 AM
Updated 3/25/2020 12:20:35 AM
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Unlike images produced by a convex spherical mirror, images produced by concave spherical mirrors can be real or virtual depending on the object's placement.
Added 3/25/2020 12:20:35 AM
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If we're interested in knowing the rate at which light energy is received by a unit of area on a particular surface, we're really trying to figure out the A. luminous intensity. B. illuminance of a surface. C. luminous flux. D. incandescence.
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Updated 7/16/2020 3:24:04 AM
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If we're interested in knowing the rate at which light energy is received by a unit of area on a particular surface, we're really trying to figure out the illuminance of a surface.
Added 7/16/2020 3:24:04 AM
This answer has been confirmed as correct and helpful.
When white light is incident on a prism, which one of the resulting color components will have the lowest index of refraction? A. Orange B. Green C. Yellow D. Blue
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Updated 3/25/2020 12:19:30 AM
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When white light is incident on a prism, orange color components will have the lowest index of refraction.
Added 3/25/2020 12:19:30 AM
This answer has been confirmed as correct and helpful.
If you notice that two waves combine and a part of the resulting wave has less light intensity than either of the individual waves, you're observing A. diffraction. B. destructive interference. C. constructive interference. D. polarization.
Question
Updated 11/28/2019 12:56:04 AM
1 Answer/Comment
If you notice that two waves combine and a part of the resulting wave has less light intensity than either of the individual waves, you're observing destructive interference.
Added 11/28/2019 12:56:04 AM
This answer has been confirmed as correct and helpful.
If you notice that two waves combine and a part of the resulting wave has less light intensity than either of the individual waves, you're observing A. diffraction. B. destructive interference. C. constructive interference. D. polarization.
Question
Updated 6/11/2020 11:45:14 PM
1 Answer/Comment
If you notice that two waves combine and a part of the resulting wave has less light intensity than either of the individual waves, you're observing destructive interference.
Added 6/11/2020 11:45:14 PM
This answer has been confirmed as correct and helpful.
A series circuit contains two devices, one with a resistance of 10 ohms and one with a resistance of 4 ohms. If the generator supplies a voltage of 42 V, what is the magnitude of the current? A. 2 A B. 1.33 A C. 1.75 A D. 3 A
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Updated 219 days ago|12/22/2020 3:24:55 PM
1 Answer/Comment
A series circuit contains two devices, one with a resistance of 10 ohms and one with a resistance of 4 ohms. If the generator supplies a voltage of 42 V, the magnitude of the current is 3A .
R = r1+r2 , R = 10+4 =14 ohm , V=IR , 42 = I*14 , I = 42/14 =3A.
Added 219 days ago|12/22/2020 3:24:55 PM
This answer has been confirmed as correct and helpful.
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