A 4.0-cm tall object is placed 50.0 cm from a diverging lens having a focal length of magnitude 25.0 cm. What are the nature and location of the image? The image is
A) real, 1.3 cm tall, and 16.7 cm from the lens on the same side of the object.
B) virtual, 1.3 cm tall, and 16.7 cm from the lens on the same side of the object.
C) virtual, 4.0 cm tall, and 20 cm from the lens on the side opposite the object.
D) real, 4.0 cm tall, and 20 cm from the lens on the side opposite the object.
E) virtual, 2.0 cm tall, and 10 cm from the lens on the side opposite the object.
B
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A ball is rolling along the floor. It is rolling toward the east, and slowing down as it rolls. As the ball rolls,
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Sunspots:
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A long straight wire lies on a horizontal table and carries an ever-increasing current northward. Two coils of wire lie flat on the table, one on either side of the wire. When viewed from above, the induced current circles
A) clockwise in both coils. B) counterclockwise in both coils. C) clockwise in the east coil and counterclockwise in the west coil. D) counterclockwise in the east coil and clockwise in the west coil. E) no emf is induced in either coil.