A real object is place a distance d from a converging lens. The object is then moved to a distance 2d from the converging lens. Which of the following statements is false?

a. The image in the first case with the object at distance d can be the larger one.
b. The image in the second case with the object at distance 2d can be the larger one.
c. If both images are real, the image in the second case is smaller.
d. If the image in the first case is real, the image in the second case is upright.


d

Physics & Space Science

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The force on a 3.00-kg object as a function of position is shown in the figure

If an object is moving at 2.50 m/s when it is located at x = 2.00 m, what will its speed be when it reaches x = 8.00 m? (Assume that the numbers on the graph are accurate to 3 significant figures.) A) 3.25 m/s B) 3.70 m/s C) 4.10 m/s D) 2.90 m/s E) 4.50 m/s

Physics & Space Science

A voltage has been applied across a capacitor. If the dielectric is replaced with another dielectric constant eight times as great and the voltage is reduced to half of what it was, the ENERGY STORED in the capacitor is how many times the original

stored energy? A) 4 B) 1/4 C) 8 D) 1/2 E) 2

Physics & Space Science

The quantity of work equal to one joule is also equivalent to which of the following?

a. watt c. watt × s b. watt /s d. watt /s2

Physics & Space Science

You have available lenses of focal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16.0 cm. If you could use any two of these lenses to build a telescope, what is the maximum magnification you could achieve for comfortable viewing of a planet?

A) 2.0 B) 4.0 C) 6.0 D) 8.0

Physics & Space Science