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Which, if any, of these mirrors can produce a real image?
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Asked 2/10/2019 9:59:58 AM
Updated 3/20/2021 3:04:39 PM
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User: Which, if any, of these mirrors can produce a real image?

Weegy: Concave spherical mirrors can produce a real image.
|Score 1|Jay901|Points 8306|

User: The shortest wavelength within the visible spectrum is _______ light.

Weegy: The shortest wavelength within the visible spectrum is violet light.
|Score 1|LostInGrace|Points 22222|

User: To increase the magnification of an image with a magnifying glass, you can

Weegy: To increase the magnification of an image with a magnifying glass, you can shorten the distance between the object and the lens as much as possible.
|Score 1|Malekith22|Points 1631|

User: When a simple magnifying glass is used properly, the image will be formed

Question
Asked 2/10/2019 9:59:58 AM
Updated 3/20/2021 3:04:39 PM
1 Answer/Comment
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When a simple magnifying glass is used properly, the image will be formed about 250 millimeters in front of the lens.


Added 3/20/2021 3:04:39 PM
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A substance that contains hydrogen that may be replaced by a metal is a/an
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14. A transmission system at a radio station uses a/an _______ to convert a direct current into a high frequency alternating current. A. modulator B. oscillator C. demodulator D. transmitting antenna
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Updated 1/20/2021 11:57:19 AM
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21. If a bar of copper is brought near a magnet, the copper bar will be A. attracted by the magnet. B. unaffected by the magnet. C. repelled by the magnet. D. made into an induced magnet.
Weegy: If a bar of copper is brought near a magnet, the copper bar will be unaffected by the magnet. User: Which of the following accurately describes circuits? Weegy: In a series circuit, the current can flow through only one path from start to finish. - accurately describes circuits. User: In a cathode ray tube, the number of electrons that reach the fluorescent screen is controlled by the Weegy: In a cathode ray tube, the number of electrons that reach the fluorescent screen is controlled by the Grid. User: Which of the following does not accurately describe the forces that exist with an atom? (More)
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Updated 1/11/2020 2:56:03 PM
1 Answer/Comment
Electrons positioned closer to the nucleus have a greater attraction to the protons and are more likely to be discharged from the atom than electrons farther away- does not accurately describe the forces that exist with an atom.
Added 1/11/2020 2:56:03 PM
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Imagine that an uncharged pith ball is brought into the electrostatic field of a charged rod. The side of the pith ball closest to the negatively charged end of the rod will
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Updated 11/18/2020 9:02:37 AM
1 Answer/Comment
Imagine that an uncharged pith ball is brought into the electrostatic field of a charged rod. The side of the pith ball closest to the negatively charged end of the rod will be given a positive charge produced by the movement of electrons to the other end of the ball.


Added 11/18/2020 9:02:37 AM
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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?
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Updated 10/3/2020 3:17:54 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 3 amperes. Solution: The net effective resistance of 10-ohms and 4-ohms in series is 14 ohms; I = E/R = 42V/14-ohms = 3 amperes.
Added 10/3/2020 3:17:54 PM
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