Which resistor is in series with resistor R?
a.
R1
b.
R2
c.
R3
d.
R4
d
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Which one of the following is a characteristic of a compound microscope?
A) The objective is a concave lens. B) The eyepiece is a concave lens. C) The final image is real. D) The image formed by the objective is virtual. E) The image formed by the objective is real.
You are designing contact lenses for someone whose near point is 43 cm. What focal length lens should you prescribe so that an object can be clearly seen when placed at 25 cm in front of the eye?
a. 43 cm c. -15 cm b. 18 cm d. 60 cm
What is the work done on the gas as it expands from pressure P1 and volume V1 to pressure P2 and volume V2 along the indicated straight line?
a.
(P1 ? P2)(V1 ? V2)/2
b.
(P1 + P2)(V1 ? V2)
c.
(P1 + P2)(V1 ? V2)/2
d.
(P1 P2)(V1 + V2)
What is the Lorentz factor,
for a speed of 0.800 c?
A. 0.800 B. 1.67 C. 0.600 D. 0.360 E. 1.25