Which statement best explains a difference between the interaction of light with clear glass and the interaction of light with silver metal?
O Light slows down when it interacts with glass but not when it interacts with metal.
Light slows down when it interacts with metal but not when it interacts with glass.
Most of the light passes through glass but none of the light passes through metal.
Most of the light is absorbed by glass but none of the light is absorbed by metal.
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Distance covered = speed x timethe distance traveled going against the stream = distance traveled with the stream.therefore it is the speed and the time that are the variables.as he travels the same distance both ways, speed x time is the same for each way.going upstream his speed is 4 kph; going downstream his speed is 6 kph.therefore we have two simultaneous equations: time upstream x 4 = time downstream x 6time upstream + time downstream = 60 minutestherefore we have the equation: time upstream = 6/10 hour, time downstream therefore = 4/10 hour.distance traveled at 4km/hr in 6/10 hour = 24/10 = 2.4km.check: distance traveled at 6km/hr in 4/10 hour = 24/10 = 2.4km.