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

Physics & Space Science

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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.

Physics & Space Science

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

Physics & Space Science

What physical property of Venus is vastly dissimilar compared to Earth?

a. Radius b. Mass c. Density d. Surface temperature

Physics & Space Science

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.

Physics & Space Science