Which of the following is NOT property of a dwarf planet?
A) symmetrical shape
B) orbits the Sun
C) intermediate in size between an asteroid and a small terrestrial planet
D) irregular shape
D
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How are wavelength, frequency, and energy related for photons of light?
A) Longer wavelength means lower frequency and lower energy. B) Longer wavelength means higher frequency and lower energy. C) Longer wavelength means higher frequency and higher energy. D) Longer wavelength means lower frequency and higher energy. E) There is no simple relationship because different photons travel at different speeds.
When an igneous rock is eroded and then becomes deposited at the bottom of an ocean it turns into
A) a metamorphic rock B) a meteorite C) another igneous rock D) a sedimentary rock
The speed of a 10-kHz sound wave in seawater is approximately 1500 m/s. What is its wavelength in sea water?
A. 5.0 cm B. 10 cm C. 15 cm D. 20 cm E. 29 cm
An FM radio station broadcasts at 98.6 MHz. What is the wavelength of the radiowaves?
a. 60.8 m b. 6.08 m c. 3.04 m d. 0.314 m e. 0.33 cm