Physics
Ozone layer protects the Earth from __________ radiations from the Sun.
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Bird on wire safe because__________?
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Rainbow seen when__________?
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Which lens is used in microscopes?
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Reverse process of photoelectric effect is_______________?
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Reflecting mirrors in laser is used to______________?
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Solder material in electronics
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Which is true?
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Audio signals of TV are___________?
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