Physics
Air is completely removed from an electric bulb to prevent
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An electric motor is used to convert——–.
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When the door of an operating refrigerator is opened the temperature of the room will———.
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On earth a moving body ordinarily comes to rest by itself because of the——–.
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A person climbing a hill bends forward to ——-.
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The time required by moonlight to reach the earth is:
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Which of the following instrument is used to measure height?
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As we go up in the air:
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Electric drill converts the el kinetic energy, sound energy, and ______ energy.
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