The focal lengths of the objective and the eyepiece in a microscope are 0.29 cm and 2.5 cm, respectively. An object is placed 0.3 cm from the objective. The image of this object is viewed with the eyepiece adjusted for minimum eyestrain
What is the distance between the objective and the eyepiece? A)
9.85 cm
B)
10.1 cm
C)
10.4 cm
D)
11.2 cm
E)
11.5 cm
D
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A) the temperature of the substance increases. B) the temperature of the substance decreases. C) heat energy leaves the substance. D) heat energy enters the substance.
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Fill in the blank(s) with correct word
A series LC circuit contains a 100-mH inductor, a 36.0-mF capacitor and a 12-V battery. The angular frequency of the electromagnetic oscillations in the circuit is
A. 36.0 × 10?4 rad/s. B. 6.00 × 10?2 rad/s. C. 2.78 rad/s. D. 16.7 rad/s. E. 277 rad/s.
Propene and cyclopropane are
a. the same compound. b. isomers. c. neither isomers nor the same compound.