A thin lens of focal length -12.5 cm has a 5.0 cm tall object placed 10 cm in front of it. What are the size and orientation of the image?
A. 4.0 cm, inverted
B. 4.0 cm, upright
C. 2.8 cm, inverted
D. 2.8 cm, upright
E. 100 cm, inverted
D. 2.8 cm, upright
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What will be an ideal response?
A quasar's spectrum is hugely redshifted. What does this large redshift tells us about the quasar?
A) the composition of the quasar B) the distance to the quasar C) the mass of the quasar's central, supermassive black hole D) the type of host galaxy in which the quasar resides
Curve B in Fig. 14-2 represents
A) an underdamped situation. B) an overdamped situation. C) a moderately damped situation. D) critical damping. E) none of the above