Optical fibers work because of dispersion of light
Indicate whether the statement is true or false
F
Physics & Space Science
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A racquetball is dropped from a height of one meter. It bounces off the floor and rises to a height of 0.8 m. The collision with the floor was
A. an elastic collision. B. a perfectly inelastic collision. C. a partially inelastic collision. D. impossible to tell without knowing the mass of the ball.
Physics & Space Science
Sound waves are part of the Electromagnetic spectrum.
a. true b. false
Physics & Space Science
The zone of avoidance is the region around the massive black hole found at the center of the Galaxy.
Answer the following statement true (T) or false (F)
Physics & Space Science
The frequency of a wave is measured in
a) hertz. b) vibrations per meter. c) meters per second. d) cycles. •
Physics & Space Science