The seasons are caused by varying length of the day light time, which is a result of the tilt of earth's axis relative to the direction perpendicular to the ecliptic. a. the the varying angle at which the sun's rays strike earth, a result of the tilt of earth's axis relative to the direction perpendicular to the ccliptic. b. the changing sun-earth distance, which is a result of the ellipticity of earth's orbit. d. a and b
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An ideal polarizer with its transmission axis rotated 30 degrees to the vertical is placed in a beam of unpolarized light of intensity 10w/m^2. after passing through the polarizer, what is the intensity of the beam? a. 8.7 w/m^2 b. 7.5 w/m^2 c. 5.0 w/m^2 d. 10 w/m^2 e. 2.5 w/m^2
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The seasons are caused by varying length of the day light time, which is a result of the tilt of ear...
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