If a ray of light passes from air into glass, the light will
a. travel along the normal.
b. bend toward the normal.
c. bend away from the normal.
d. continue traveling in the same direction.
b
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Observations indicate that it takes Saturn longer than Jupiter to complete one orbit about the Sun. This is in agreement with which of Kepler's laws?
A. First B. Second C. Third D. Fourth
An object is placed 40 cm in front of a lens of focal length 40 cm. A second lens is placed 17 cm beyond the first. An image forms 48 cm past the second lens. The lateral magnification of this system is
A) -2.8. B) -1.2. C) 1.2. D) 2.8. E) impossible to determine with the information given.
What do you think is the greatest source of error in this experiment? Justify your answer
A mass on a spring vibrates in simple harmonic motion at a frequency of 4.0 Hz and amplitude of 8.0 cm. If the mass of the object is 0.25 kg, what is the spring constant?
a. 40 N/m c. 126 N/m b. 87 N/m d. 158 N/m