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प्रश्न
Light passes through a closed cylindrical tube containing a gas. If the gas is gradually pumped out, the speed of light inside the tube will
पर्याय
increase
decrease
remain constant
first increase and then decrease
MCQ
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उत्तर
increase
If the gas is gradually pumped out, a vacuum will be created inside the closed cylindrical tube, and experimentally, light travels at the fastest speed in vacuum as compared to any other medium.
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Speed of Light
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