Physics

    Basic Electronics
    The quantities whose values vary with time are
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    Everyday Science
    Electric generators convert mechanical energy into
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    Electromagnetism
    To increase or decrease AC voltages, we use
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    Everyday Science
    Melting point is also known as
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    Everyday Science
    Bats can hear sounds of frequency up to:
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    Matter Properties
    The applied force that changes shape, volume or length of a substance is called
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    Physics
    Formation of shadows can be explained by
    Formation of shadows can be explained by rectilinear propagation of light.
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    Simple Harmonic Motion and Waves
    A body executing simple harmonic motion always vibrates about a
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    Physics
    Which of the following is a Non Renewable Resource of Energy?
    Most non-renewable energy sources are fossil fuels: coal, petroleum, and natural gas. Carbon is the main element in fossil fuels. For this reason, the time period that fossil fuels formed (about 360-300 million years ago) is called the Carboniferous Period.
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    Atomic and Nuclear Physics
    The greatest ionization power is possessed by
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