Physics

    Kinematics
    If a body covers equal distance in equal intervals of time then its speed is
    Author: rikazzz Comment
    Basic Electronics
    The quantities that we perceive by our senses are usually
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    Work and Energy
    Sunlight and water power are the sources of energy which are
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    Physics
    Which of these is true of all simple machines?
    Simple machine make work easier and work input > work output.
    Author: rikazzz Comment
    Physics
    Plants are dried up in winter due to frost because
    The rate of respiration is dependent on temperature: The warmer it is, the more a plant will respire. Extreme winter cold and frost are similar to summer drought in that frozen water is unavailable to the plant. The air is very dry as well.
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    Everyday Science
    The speed of sound in air is just
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    Physics
    The instrument which uses sound waves to measure the depth of oceans is
    Sonar is the instrument which uses sound waves to measure the depth of oceans.
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    Physics
    Super cooling stands for cooling of a liquid :
    Supercooling, also known as undercooling, is the process of lowering the temperature of a liquid or a gas below its freezing point without it becoming a solid.
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    Geometrical Optics
    The ratio of the sine of the angle of incidence to the sine of the angle of refraction is always equal to
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    Physics
    Microphone is a device which transforms the
    Microphone is a device which transforms the sound signal into current signal.
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