Polarizers transmission axis
Polarized light passes via a polarizer and just 30% gets through. Determine the angle among the light's electric field and the polarizer's transmission axis.
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The calorimeter contained 500 g of water and the temperature rise measured was 1.40oC when a sample of magnesium metal (0.1946 g) was ignited in a constant-volume calorimeter of heat capacity 1349J/o C.
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