Physics

    Kinematics
    If the object is at rest then the distance-time graph is
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    Simple Harmonic Motion and Waves
    At one end of a ripple tank 90 cm across, a 6Hz vibrator produces waves whose wavelength is 30 mm. The time needed to cross the waves is
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    Physics
    Optic fibres are used in :
    Optic fibres are used in endoscopy.
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    Sound
    To find the speed of sound, we use the relation
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    Physics
    Wollen clothes keep the body warm because
    Wool does not allow heat to pass on from body to surrounding because it is a bad conductor of heat. So, the body is kept warm.
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    Geometrical Optics
    The types of spherical mirrors are
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    Kinematics
    If a body doesn’t change its position with respect to its surroundings then its in state of
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    Electromagnetism
    Transformers are the application of
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    Physics
    Analog synthesis refers to a technology based on
    Analog synthesis uses a mixture of complex sounds that are shaped by filtering. It is based on representing data in terms of measurable physical quantities, in this case sound waves.
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    Physics
    What apparatus is used to locate a submerged object?
    Sonar (originally an acronym for Sound Navigation And Ranging) is a technique that uses sound propagation (usually underwater, as in submarine navigation) to navigate, communicate with or detect objects on or under the surface of the water, such as other vessels.
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