Complete this statement: The larger the decrease in the star's brightness as a planet transits in front of its star, ________ of the planet.
A) the larger the size (radius)
B) the larger the mass
C) the longer the orbital period
D) the larger the orbital distance
A) the larger the size (radius)
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Standing waves are produced by the superposition of two waves with
A. the same amplitude, frequency, and direction of propagation. B. the same amplitude, frequency, and opposite direction of propagation. C. the same amplitude, different frequencies, and opposite direction of propagation. D. the same amplitude, different frequencies, and same direction of propagation.
The absorption lines for a cool thin gas are identical in color and energy to the emission lines of the same gas if hot enough to glow
Indicate whether the statement is true or false
As you move farther away from a source emitting a pure tone, the ___________ of the sound you hear decreases
a. frequency b. period c. wavelength d. amplitude e. none of the above
Transverse waves are traveling on a 1.00-m-long piano string at 500 m/s. If the points of zero vibration occur at one-half wavelength (where the string is fastened at both ends), find the frequency of vibration.
A. 250 Hz B. 500 Hz C. 1000 Hz D. 2000 Hz E. 2500 Hz