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Physics, 22.06.2019 05:40
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 pressure proportional to the area a- inversely b- directly c- increase d-decrease
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Glass has a hardness that is in the middle of the hardness scale. what is the hardness of glass?
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What equation is used to calculate the weight of an object on a plant ?
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