Which statement about thin lenses is correct? In each case, we are considering only a single lens.
A) A converging lens always produces a real inverted image.
B) A diverging lens always produces a virtual inverted image.
C) A converging lens sometimes produces a real erect image.
D) A diverging lens always produces a virtual erect image.
E) A diverging lens produces a virtual erect image only if the object is located within the focal point of the lens.
Question 2
A neutral hollow spherical conducting shell of inner radius 1.00 cm and outer radius 3.00 cm has a +2.00-C point charge placed at its center. Find the surface charge density (a) on the inner surface of the shell.
(b) on the outer surface of the shell.
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