The Sun's blackbody curve peaks in the ________ portion of the spectrum

A) radio B) visible C) ultraviolet D) X-ray E) infrared


B

Physics & Space Science

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Large molecules found in meteorites and interstellar clouds are evidence that

A) life is abundant in the galaxy. B) life has definitely formed in other places than Earth. C) organic molecules are extremely rare. D) chemical evolution has taken place elsewhere in the universe. E) life originated on Mars before Earth.

Physics & Space Science

When a superconductor's temperature drops below the critical temperature, its resistance:

a. equals that of a semiconductor of equal dimensions. b. drops to zero. c. reduces to one half. d. increases by two.

Physics & Space Science

Our Milky Way Galaxy is now known to be quite similar to the nearby Andromeda Galaxy, M-31

Indicate whether the statement is true or false

Physics & Space Science

Light of wavelength 687 nm is incident on a single slit 0.75 mm wide

At what distance from the slit should a screen be placed if the second dark fringe in the diffraction pattern is to be 1.7 mm from the center of the diffraction pattern? A) 0.39 m B) 1.9 m C) 1.1 m D) 0.93 m E) 0.47 m

Physics & Space Science