If the photons from blackbody radiator radiation pass through a cool gas, a(n) ____ spectrum is produced
a. absorption
b. emission
c. continuous
d. Doppler
e. ionization
a
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What physical property of Venus is vastly dissimilar compared to Earth?
a. Radius b. Mass c. Density d. Surface temperature
The Sun's average surface (photosphere) temperature is about
A) 5,800 K. B) 1,000,000 K. C) 1,000 K. D) 37,000 K.
Suppose that event A is the origin event in the Home Frame and that event B occurs at t = 1 ns and x = 10 ns in that frame. What would be the minimum x-velocity ? that an Other Frame would have to have relative to the Home Frame if B occurred first in that frame?
A. 10 B. 1 C. 0.60 D. 0.40 E. 0.10 F. B can’t occur first.
The frequency of a simple pendulum does NOT depend on
A) its mass. B) its length. C) the acceleration due to gravity. D) all of the above E) none of the above