The focal length of the objective of a telescope is 0.2 m and the eyepiece has a focal length of 1.6 m. What is the length of this telescope?
A)
8.0 m
B)
1.4 m
C)
0.90 m
D)
1.6 m
E)
1.8 m
E
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Which of the fields are physically impossible and why?
A. This field violates Faraday’s law. B. This field violates Gauss’s law. C. This field violates both of the above laws. D. This field is physically possible.
A person floats higher in the dense water of the Dead Sea because
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A) 10.2 eV. B) 12.1 eV. C) 12.75 eV. D) 13.1 eV. E) 13.6 eV.
If you think of a battery as an electric charge "pump," the battery voltage is analogous to __________
Fill in the blank(s) with correct word