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Question
Ninety percent of light incident on a certain piece of glass passes through it. How much light passes through two pieces of this glass?A) 80%
B) 81%
C) 85%
D) 89%
E) 90%
Answer
This answer is hidden. It contains 1 characters.
Related questions
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Q:
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B) 12 kg.
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Q:
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A) 3 m/s.
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Q:
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C) both the same
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B) acceleration of the ball.
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Q:
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Q:
A fast-moving missile soaring overhead possesses
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