For a person with normal vision (near point 25 cm, far point infinity), the maximum angular magnification for a lens is 4.00. If this same lens is used with the relaxed eye, what angular magnification would result?

1.The focal length must be given to figure this out.
2.5.00
3.3.50
4.3.00


4

Physics & Space Science

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One pg (picogram) of 40K has how many nuclei?

a.
b.
c.
d.
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Multiple-Object Accelerating Systems: Two objects of unequal masses, M and m (M > m), are connected by a very light cord passing over an ideal pulley of negligible mass. When released, the system accelerates, and friction is negligible. Which one of the following free-body diagrams most realistically represents the forces acting on the two objects in the moving system?

A.


B.


C.


D.


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Suppose you live on the Moon. How long is a day (i.e., from sunrise to sunrise)?

A) 23 hours 56 minutes B) 24 hours C) a lunar month D) a year E) about 18 years

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While featureless in visible light, we can see some detail in Venus' clouds using

A) radio waves. B) ultraviolet light. C) X-rays. D) infrared radiation. E) gamma rays.

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